他们以勒索使他屈服。用英语怎么说？

他们以勒索使他屈服。

They broke him by blackmail.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

broke

vt. 打破（break的过去式），折断；adj. 破产的，缺乏资金的；

例句
Rosie's idyllic world came to an abrupt end when her parents' marriage broke up...
父母婚姻的破裂使得罗茜田园诗般美好的世界陡然画上了句号。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

blackmail

n. 敲诈，勒索，（盗匪征收的）保护费，免抢税；vt. 胁迫，勒索，敲诈，讹诈；

例句
Opponents accused him of blackmail and extortion.
对方指控他敲诈勒索。