forty

noun

1. the cardinal number that is the product of ten and four

Synonym: 40XL

adj

1. being ten more than thirty

Synonym: 40xltwoscore

1. (数字)40
Forty is the number 40.

2. 四十多，四十几(指从40至49的数字)
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.

e.g. He was a big man in his forties, smartly dressed in a suit and tie.
他是一个四十多岁的高大男子，穿西装打领带，看上去很精神。

3. 二十世纪四十年代(指从 1940 年至 1949 年)
The forties is the decade between 1940 and 1949.

forty的反义词

e.g. Steel cans were introduced sometime during the forties.
钢罐是 20 世纪 40 年代时开始使用的。

1. 分：15分(fifteen)、30分(thirty)、40分(forty)网球比赛的记分方式是所有球类当中最奇特的,15分就是得1分,30分就是得2分,40分就是得3分. 用15分为记分法始于十五世纪,它是参照天文学中的六分仪而来. 六分仪与1/6个圆一样共有60度,

2. 四十,第四十：America 美洲;美国 | forty 四十,第四十 | only 只,仅仅 a.唯一的