forties

for·ty

F0274000 (fôr′tē)n. pl. for·ties 1. The cardinal number equal to 4 × 10.2. fortiesa. A decade or the numbers from 40 to 49: They stopped smoking in their forties. At night the temperature fell into the forties.b. often Forties The decade from 40 to 49 in a century.

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[Middle English, from Old English fēowertig; see k^wetwer- in Indo-European roots.]

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for′ty adj. & pron.

Thesaurus

Noun	1.	forties - the time of life between 40 and 50 mid-fortiestime of life - a period of time during which a person is normally in a particular life stateadulthood, maturity - the period of time in your life after your physical growth has stopped and you are fully developed
	2.	forties - the decade from 1940 to 19491940sdecade, decennary, decennium - a period of 10 years

Translations

四十到五十度之间的温度范围四十到四十九岁的时期四十多岁四十年代

forty

(ˈfoːti) noun1. the number or figure 40. 四十 四十2. the age of 40. 四十歲 四十岁 adjective1. 40 in number. 四十個(人或物)的 四十个（人或物）的 2. aged 40. 四十歲的 四十岁的ˈforties noun plural1. the period of time between one's fortieth and fiftieth birthdays. 四十到四十九歲的時期，四五十歲 四十到四十九岁的时期，四十多岁 2. the range of temperatures between forty and fifty degrees. 四十到五十度之間的溫度範圍，四五十度（溫度） 四十到五十度之间的温度范围3. the period of time between the fortieth and fiftieth years of a century. 四十年代 四十年代ˈfortieth noun1. one of forty equal parts. 四十分之一 四十分之一2. (also adjective) the last of forty (people, things etc); the next after the thirty-ninth. 第四十的 第四十的forty- having forty (of something). a forty-page index. 有四十(頁)的 有四十（页）的 ˈforty-year-old noun, adjective (a person or animal) that is forty years old. 四十歲(的) 四十岁（的） forty winks a short sleep. He always has forty winks after dinner. 打盹兒 打盹儿

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forty (not fourty).