习语：

a private eye

讲解：a private eye 是美国俚语，相当于a private detective 指“私家侦探”。

支持范例：

The only way he could find out if they were having an affair would be to hire a private eye.

他能查出他们之间是否有暧昧关系的唯一办法就是雇个私人侦探。

迷你对话：

A:What's his job?

他是做什么的?

B:He used to be a policeman.

他过去是当警察的。

A:But Mrs.Smith hired him to find her lost son.

可史密斯太太雇用他寻找失散的儿子。

B:Yeah. He's a private eye now.

没错，他现在是私家侦探了。

词海拾贝：

used to do sth：过去常常做某事

lost son：失散的儿子