40（四十[si shi]）是39与41之间的自然数，是一个合数、偶数。在其他领域中也有各种解释。
40用英文怎么写？
Forty
英 [ˈfɔːti] 美 [ˈfɔːrti]
n.四十;四十几
复数： forties 派生词： fortieth ordinal number n.
forty的双语例句
1.She was somewhat inclined to fat after forty.
四十岁以后她有点发胖了。
2.I keep remembering Hannah Pakula's immortal line: 'Hollywood is no place for a woman over forty with a library card.'
我一直谨记汉娜·帕库拉的名言：“好莱坞不是年过四十手拿图书证的女人呆的地方。”
3.He is at least forty years old.
他少说也有四十岁了。
4.He's forty at most.
他至多不过四十岁。
5.He looks over forty.
他看起来有四十开外。
forty的常见句型
用作数词 (num.)
1.They managed to squash forty people into the bus.
那辆公共汽车好不容易塞进了四十个人。
用作形容词 (adj.)
1.He reigned over the country for forty years.
他统治了这个国家四十年。
forty的词汇搭配
forty winks 小睡
like forty 非常厉害地
forty hours week 每周四十小时工作制
fifteen forty 一比三
forty all 三平
forty-five 四十五分(时间)
as forty 非常厉害地
forty to the dozen 滔滔不绝地
forty-rod lightning 下等烈性酒
by forty 非常厉害地
speak forty to the dozen 喋喋不休
run forty to the dozen 喋喋不休
talk forty to the dozen 喋喋不休
forty的真题例句
1.Forty-eight of the students received instruction in study skills only, whereas the others attended a combination of study skills sessions and classes in which they learned about the growth mind-set and how to apply it to schoolwork.
出自-四级2016年12月阅读原文
2.In the United States, up to forty percent of all food goes uneaten, despite the fact that one in seven American households lacks regular access to good food.
2017年12月六级真题（套）听力 Section A
3.Your working life lasts an average of forty years, so it's important to find a job you like and feel enthusiastic about.
2017年12月六级真题（套）听力 Section C
4.I learned that Freddy did several jobs after his graduation from high school and remained the same caring person I met forty years before.
2017年高考英语全国卷2 完形填空 原文
5.The explosion had left a hole more than forty miles across—much too huge to be seen from anywhere at ground level.
2019年高考英语江苏卷 阅读理解 阅读B 原文
6.It is difficult to the point of impossibility for the average reader under the age of forty to imagine a time when high-quality arts criticism could be found in most big-city newspapers.
出自-2010年考研阅读原文