one by one

one

O0075900 (wŭn)adj.1. Being a single entity, unit, object, or living being: I ate one peach.2. Characterized by unity; undivided: They spoke with one voice.3. a. Of the same kind or quality: two animals of one species.b. Forming a single entity of two or more components: three chemicals combining into one solution.4. Being a single member or element of a group, category, or kind: I'm just one player on the team.5. Being a single thing in contrast with or relation to another or others of its kind: One day is just like the next.6. Occurring or existing as something indefinite, as in time or position: He will come one day.7. Occurring or existing as something particular but unspecified, as in time past: late one evening.8. Informal Used as an intensive: That is one fine dog.9. Being the only individual of a specified or implied kind: the one person I could marry; the one horse that can win this race.n.1. The cardinal number, represented by the symbol 1, designating the first unit in a series.2. A single person or thing; a unit: This is the one I like best. Of her many books, the best ones are the last two.3. A one-dollar bill.pron.1. An indefinitely specified individual: She visited one of her cousins.2. An unspecified individual; anyone: "The older one grows the more one likes indecency" (Virginia Woolf).Idioms: at one In accord or unity. one and all Everyone. one by one Individually in succession.

[Middle English on, from Old English ān; see oi-no- in Indo-European roots.]Usage Note: In formal usage, the pronoun one is sometimes used as a generic pronoun meaning "anyone": One would hope that train service could be improved. The informal counterpart of one is you: You never know what to expect from her. Trouble arises when one is used in a series of sentences, and there is a need for a relative pronoun to refer back to one. One option is to use one and one's repeatedly, as in One tries to be careful about where one invests one's money. But in a sequence of sentences this inevitably becomes tedious. A traditional alternative has been to use he, him, and his: One tries to be careful about his investments. This has the drawback of raising the specter of gender bias. Because of these problems, the temptation may arise to switch to you, but this will undoubtedly be distracting to the reader. It is better to use the same generic pronoun throughout. · As a generic pronoun, one should be avoided as the direct object of a verb or a preposition, especially if it comes at the end of the sentence. Thus the sentence Bad dreams can make one restless may sound stilted, but One must not tease the bears or they will attack one sounds almost ungrammatical. As a subject or in the possessive form, one fares much better. One should be cordial with one's colleagues sounds somewhat formal, but is acceptable. · Does the phrase One of x, where x is a plural noun phrase, take a singular or a plural verb? Sometimes the answer is straightforward. In the sentence One of every ten rotors was found defective, the one defective rotor is contrasted with, rather than being an example of, the larger group of rotors. A singular verb is almost always used here because it agrees with the singular "one." In 2001, 99 percent of the Usage Panel accepted the singular verb in this sentence. In many cases, the contrastive use of one of can be easily identified by the fact that the phrase containing one is introduced by the definite article: He is the only one of the students who has (not have) already taken Latin. Constructions such as one of those people who are more problematic. In the sentence He is one of those men who are constantly complaining about their jobs, the one man, rather than being in contrast to the larger group, is an example of a larger group of men who complain. The relative pronoun who appears to refer to men, and so the verb should be plural: are. But the use of a singular verb in sentences like these has long been common, even among the best writers, presumably because the relative clause, though semantically modifying the adjacent noun (men), feels like it fits equally well with the subject noun (he). The Usage Panel, accordingly, does not have a strict preference for the plural form. In our 2014 survey, although 72 percent accepted the plural are constantly complaining, 57 percent accepted the singular is constantly complaining. In some cases the Panel actually preferred the supposedly incorrect singular: 64 percent accepted The sports car turned out to be one of the most successful products that was ever manufactured in this country, while only 55 percent accepted were ever manufactured. Several Panelists commented that they decide by ear which verb form to use, and that appears to be the most viable advice. In some (but not all) cases, the sentence can be rewritten to avoid the choice: The sports car turned out to be one of the most successful products ever manufactured in this country. · Constructions using one or more or one or two always take a plural verb: One or more cars were parked in front of the house each day this week. One or two students from our department have won prizes. Note that when followed by a fraction, one ordinarily gets a plural verb: One and a half years have passed since I last saw her. The fraction rule has an exception in that amounts are sometimes treated as singular entities: One and a half cups is enough sugar. Note also that the plural rule does not apply to these one-plus-a-fraction constructions that are introduced by the indefinite article. These constructions are always singular: A year and a half has passed since I last saw her. See Usage Note at he¹.Word History: Why do we pronounce one (wŭn) and once (wŭns) while other words derived from one, like only, alone, and atone, are pronounced with a long o? Over time, stressed vowels commonly become diphthongs, as when Latin bona, the feminine singular of the adjective meaning "good," became buona in Italian and buena in Spanish. A similar diphthongization of one and once began in the late Middle Ages in the west of England and in Wales and is first recorded around 1400. The vowel sound underwent a series of changes, such that the word's pronunciation went from (ōn) to (o͞oōn), with two syllables, to (wōn) to (wo͞on) to (wo͝on) and finally to (wŭn). In southwest England, this diphthongization happened to other words beginning with the long o sound, such as oats, pronounced there now as (wŭts). Only in one and once did this diphthongal pronunciation gain widespread usage.

Thesaurus

Adv.	1.	one by one - in single file; "the prisoners came out one by one"one after another, one at a time
	2.	one by one - one piece at a time; "she sold the plates by the piece"by the piece
	3.	one by one - apart from others; "taken individually, the rooms were, in fact, square"; "the fine points are treated singly"individually, on an individual basis, separately, severally, singly

Translations

一个一个地

one

(wan) noun1. the number or figure 1. One and one is two (1 + 1 = 2).一2. the age of 1. Babies start to talk at one.一岁 pronoun1. a single person or thing. She's the one I like the best; I'll buy the red one. 一个（人或物） 2. anyone; any person. One can see the city from here.任何一个人 adjective1. 1 in number. one person; He took one book.一个的2. aged 1. The baby will be one tomorrow.一岁的3. of the same opinion etc. We are one in our love of freedom.一致的one- having one (of something). a one-legged man.一个...的oneˈself pronoun1. used as the object of a verb, the subject of which is one. One should wash oneself every morning.自己2. used in emphasis. One always has to do these things oneself.亲自one-night ˈstand noun (slang) a one-night sex partner; sexual intercourse with a one-night partner. 一夜夫妻，一夜情 one-ˈoff noun, adjective (something) made, intended etc for one occasion only. It's just a one-off arrangement. 例外一次 one-parent ˈfamily noun (also single parent family) a family with only a mother or a father to look after the children. 单亲家庭one-ˈsided adjective1. with one person or side having a great advantage over the other. a one-sided contest.一边发达的2. representing only one aspect of a subject. a one-sided discussion.一边的one-ˈway adjective1. in which traffic can move in one direction only. a one-way street.单行的2. (especially American) valid for travel in one direction only. a one-way ticket.单程有效的one-year-old noun a person or animal that is one year old. 一岁的人（或动物） adjective (of a person, animal or thing) that is one year old. 一岁的all one just the same. It's all one to me what she does.都一样be one up on (a person) to have an advantage over (someone). We brought out a book on this before our rivals so we're one up on them.胜人一筹not be oneself to look or feel ill, anxious etc. I'd better go home – I'm not myself today.感觉不舒服one and all all (of a group). This was agreed by one and all.全部one another used as the object of a verb when an action takes place between people etc. They hit one another.互相one by one (of a number of people, things etc) one after the other. He examined all the vases one by one.一个一个地one or two a few. I don't want a lot of nuts – I'll just take one or two.一两个

one of is followed by a plural noun or pronoun, but takes a singular verb: One of the girls works as a hairdresser ; One of them is ill .

one by one

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ˌone by ˈone

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Synonyms for one by one

adv in single file

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adv one piece at a time

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adv apart from others

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