take advantage of: 利用
How can you take advantage of their support?
你将如何利用他们支持的优势？

knock it off: 不要这样子
Will you two pea brains knock it off?
你们两个蠢蛋能停下来吗？
Knock it off or you'll get into a mess.
停手，否则你会有麻烦的。

beat up: 痛打
You nickname all the girls you beat up?
你给所有揍过的女孩取绰号?

gang up on: 联合起来对待
Ought not gang up on a man three-to-one.
不该三个联合起来对付一个。
In elementary they'd gang up on me and sang this song.
他们联合起来反对我，并且时常唱着这首歌。

at all costs: 不惜任何代价，无论如何
Parents are hard-wired to keep their child alive at all costs.
父母天生地会不惜一切代价挽救自己孩子的生命。