杀死，谋杀
She did in the old woman too.
她把老妇人也杀了。
If you've done her in, you'll hang for it.
如果你杀了她，那你将会因此而受绞刑。
He did himself in with a shotgun.
他用猎枪自杀了。
使毁灭、完蛋，毁坏，搞垮
Another flop will do us in.
再出差错，我们就要完蛋了。
The local public library is far from being done in by television's competition.
当地的公共图书馆完全没有因为有电视的竞争而被挤垮。
使精疲力竭，使疲乏
We were all done in after the long hike.
长途徒步旅行之后，我们都累垮了。
欺骗
He couldn't lie convincingly enough to do a child in.
他的谎话编得太离谱，连孩子也骗不了。
花费(钱)，把(钱)花光
I wouldn't want her to do in another nickel on me.
我不愿意她再在我身上花什么钱。
He did his dough in on the pokies.
他的钱都在吃角子老虎机上花光了。
注射毒品