53岁的人用英语可以说成 "a person who is 53 years old" 或者 "a 53-year-old person." 这个表达方法源于英语中使用形容词来描述人的年龄的习惯。

下面是一些例句:

My father is a 53-year-old man.
(我的父亲是一个53岁的男人。)
She is a person who is 53 years old.
(她是一个53岁的人。)
He's a 53-year-old engineer.
(他是一个53岁的工程师。)
They are a couple of 53-year-olds.
(他们是一对53岁的夫妻。)