forty one years old 41岁.
例句
At the age of forty-one, he finally had a house of his own.
他四十一岁了,终于拥有了自己的房子.
years old的例句
He was 14 years old when it happened.
这件事情发生的时候，他14岁。
Jenny is seventeen years old.
珍妮17岁。
I\'ll be 26 years old next Friday.
我下周五就26岁了。
