bail out1

1. 保释出来

An anonymous well-wisher bailed the prisoners out.

一个不留姓名的好心人把那些在押犯保释出来了。

go/stand bail for

1. 做……的保释人; 为……提供保释金

She went bail for her son.

她把儿子保释出来了。

2. 保证……是真实的

I'll go bail for that.

我可以担保那是确实的。

on bail

1. 交保后

She was released on bail of $1000.

她付了一千美元后被保释。