Lesson Forty第四十课
Eight forty八点四十分;八点四十
Five forty五点四十
Seven forty七点四十
forty five四十五年;第五;正在翻译;百分之四十五
Twelve forty十二点四十分;十二点四十
forty potatoes十四个土豆
Naughty Forty顽劣四十人帮
Forty Fathoms深海四十㖊;表演者
NUM（数词） Forty is the number 40. 四十; 40
N-PLURAL（复数型名词） When you talk about the forties, you are referring to numbers between 40 and 49. For example, if you are in your forties, you are aged between 40 and 49. If the temperature is in the forties, the temperature is between 40 and 49 degrees. 四十几 (指40至49之间的数字)
He was a big man in his forties, smartly dressed in a suit and tie.
他是一个四十几岁的高大男子，穿着西服打着领带，很精神。
N-PLURAL（复数型名词） The forties is the decade between 1940 and 1949. 四十年代 (指某世纪40到49年)
Steel cans were introduced sometime during the forties.
钢罐是在四十年代的某个时候开始使用的。