by hook or by crook
US /baɪ hʊk ɔr baɪ krʊk/
UK /baɪ hʊk ɔr baɪ krʊk/

1.
不择手段, 千方百计
by any means possible, whether fair or unfair
:
•
He was determined to get the promotion by hook or by crook.
他决心不择手段地获得晋升。
•
We need to finish this project by hook or by crook before the deadline.
我们必须在截止日期前不择手段地完成这个项目。