which

determiner, pronoun

US /wɪtʃ/US /hwɪtʃ/

Which can be used in the following ways:

as a determiner (followed by a noun): Which color do you like best?

as a pronoun (without a following noun): Choose any card – it doesn’t matter which. (introducing a question): Which is the hottest month of the year? (followed by “of”): Which of you is responsible for this department? (introducing a relative clause): My car, which I have owned for five years, is a Ford.

1
used for asking for a specific choice from a limited number of possibilities
Which would you like, tea or coffee?
Which way did they go?
which of:
Which of the secretaries did you talk to?
Synonyms and related words
Ways of asking questions and making requests
any chance of...?
any luck?
any requests?
1. 1a
  used when someone knows, says, is not certain about, etc. the specific choice between two or more possibilities
  They’re all so pretty – I don’t know which one to choose.
  It was either whiskey or vodka – I forget which.
  Did he say which hotel he was staying at?
  I don’t know which is worse – spending Christmas alone or watching my friends get drunk.
2
used for adding information or a comment about a particular thing or fact when it is already clear what that thing or fact is
Bogart starred in the film Casablanca, which was made in 1942.
A skilled workforce is essential, which is why our training program is so important.
The search will not begin until dawn, by which time it will probably be too late.
in which case (=if this happens):
Of course it may rain, in which case we’ll have to hold the ceremony indoors.
Synonyms and related words
Ways of adding extra information
namely
incidentally
furthermore
3
used for introducing information that shows what specific thing or type of thing you are talking about. You can also use “that” to introduce this type of relative clause, except when the pronoun is preceded by a preposition.
I’ve been thinking about those questions which you asked me last week.
It’s a story which every child will enjoy.
the air crash in which Hammarskjöld died
Usage note
The relative pronouns which or that are often left out when they are the object in this type of relative clause: Did you find the book (which/that) you were looking for?

phrases

know/tell which is which

单词	which
释义	which determiner, pronoun UK /wɪtʃ/ Other entries for this word know/tell which is which phrase a peg on which to hang something phrase not know where/which way to turn phrase know which side your bread is buttered (on) phrase DEFINITIONS3 Which can be used in the following ways: as a determiner (followed by a noun): Which colour do you like best? as a pronoun (without a following noun): Choose any card – it doesn’t matter which. (introducing a question): Which is the hottest month of the year? (followed by ‘of’): Which of you is responsible for this department? (introducing a relative clause): My car, which I have owned for five years, is a Ford. 1 used for asking for a specific choice from a limited number of possibilities Which would you like, tea or coffee? Which way did they go? which of: Which of the secretaries did you talk to? Synonyms and related words Ways of asking questions and making requests after you any chance of...? any luck? 1a used when someone knows, says, is not certain about etc the specific choice between two or more possibilities They’re all so pretty – I don’t know which one to choose. It was either whisky or vodka – I forget which. Did he say which hotel he was staying at? I don’t know which is worse – spending Christmas alone or watching my friends get drunk. 2 used for introducing information that shows what specific thing or type of thing you are talking about. You can also use ‘that’ to introduce this type of relative clause, except when the pronoun is preceded by a preposition. I’ve been thinking about those questions which you asked me last week. It’s a story which every child will enjoy. the air crash in which Hammarskjöld died Usage note The relative pronouns which or that are often left out when they are the object in this type of relative clause: Did you find the book (which/that) you were looking for? 3 used for adding information or a comment about a particular thing or fact when it is already clear what that thing or fact is Bogart starred in the film Casablanca, which was made in 1942. A skilled workforce is essential, which is why our training programme is so important. The search will not begin until dawn, by which time it will probably be too late. in which case (=if this happens): Of course it may rain, in which case we shall have to hold the ceremony indoors. Synonyms and related words Ways of adding extra information namely incidentally furthermore phrases know/tell which is which which determiner, pronoun US /wɪtʃ/US /hwɪtʃ/ Other entries for this word know/tell which is which phrase a peg on which to hang something phrase not know where/which way to turn phrase see which way the wind blows/is blowing phrase know which side your bread is buttered (on) phrase DEFINITIONS3 Which can be used in the following ways: as a determiner (followed by a noun): Which color do you like best? as a pronoun (without a following noun): Choose any card – it doesn’t matter which. (introducing a question): Which is the hottest month of the year? (followed by “of”): Which of you is responsible for this department? (introducing a relative clause): My car, which I have owned for five years, is a Ford. 1 used for asking for a specific choice from a limited number of possibilities Which would you like, tea or coffee? Which way did they go? which of: Which of the secretaries did you talk to? Synonyms and related words Ways of asking questions and making requests any chance of...? any luck? any requests? 1a used when someone knows, says, is not certain about, etc. the specific choice between two or more possibilities They’re all so pretty – I don’t know which one to choose. It was either whiskey or vodka – I forget which. Did he say which hotel he was staying at? I don’t know which is worse – spending Christmas alone or watching my friends get drunk. 2 used for adding information or a comment about a particular thing or fact when it is already clear what that thing or fact is Bogart starred in the film Casablanca, which was made in 1942. A skilled workforce is essential, which is why our training program is so important. The search will not begin until dawn, by which time it will probably be too late. in which case (=if this happens): Of course it may rain, in which case we’ll have to hold the ceremony indoors. Synonyms and related words Ways of adding extra information namely incidentally furthermore 3 used for introducing information that shows what specific thing or type of thing you are talking about. You can also use “that” to introduce this type of relative clause, except when the pronoun is preceded by a preposition. I’ve been thinking about those questions which you asked me last week. It’s a story which every child will enjoy. the air crash in which Hammarskjöld died Usage note The relative pronouns which or that are often left out when they are the object in this type of relative clause: Did you find the book (which/that) you were looking for? phrases know/tell which is which
随便看	a piece/share/slice of the pie a pig in a poke apiology apiphobia a plague on someone a platinum blonde a play on words aplenty aplomb a plus/b plus/c plus/d plus apnoea apocalypse apocalyptic apocatastasis apocope apocrypha apocryphal apogee a pointless exercise apolitical apollo apologetic apologia apologise apologist

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