Stay away

外出；走开；不在

I stayed away when he came into the living room.

他一走进客厅，我就走开了。

Stay away from

远离某人；避开某事或某物

Her parents told her to stay away from her boyfriend.

她父母叫她离她男朋友远点。

The girl always stays away from her brother.

这个女孩总是避开她的哥哥。

Stay in

呆在家里，不出门

I’d like to stay in and watch TV tonight.

今晚我想呆在家里看电视。

Stay on

留下继续（工作、学习等）

He decided to stay on in this company for another year.

他决定在这家公司再呆一年。