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。