I was trying to drive a rat out.

刚才我正费力把一只耗子赶出去！

Why did he rat out on his friends?

他们说他们会帮忙的，但他们却背叛了朋友。

The dog nosed a rat out.

那条狗嗅出一只老鼠的气味。

They're obviously just trying to scare us to get us to rat out my dad.

他们就是想恐吓我们，好让我们供出我爸的下落。

An electrician peels the dead rat out of the high voltage box for the electric chair.

一个电工将死老鼠从为电椅通电的高压电箱中取了下来。