以下的方法都可以,你参考一下吧
He is sixteen．
He is sixteen years old．
He is a sixteen-year-old man．
He is aged sixteen．
He is at age sixteen．
He is at the age of sixteen．
He is sixteen years of age．
以下的方法都可以,你参考一下吧
He is sixteen．
He is sixteen years old．
He is a sixteen-year-old man．
He is aged sixteen．
He is at age sixteen．
He is at the age of sixteen．
He is sixteen years of age．