noun [集合/集体]四十
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。
adjective [原级]四十的；四十个的
You can't live on forty pounds a week. 你靠每周四十英镑没法过活。
单词造句:
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。
You can't live on forty pounds a week. 你靠每周四十英镑没法过活。