1、四十的英语单词是forty。

2、例句：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。

3、My car does forty miles to the gallon。我的车每加仑汽油跑四十英里。

4、They would have been married forty years come this June。到今年六月他们结婚就有四十年了。

5、More than forty armoured vehicles carrying troops have been sent into the area。 四十多辆载有士兵的装甲车已经被派往该地区。