n.  勒索，敲诈，讹诈

n.  胁迫；感情勒索

v.  勒索，敲诈；胁迫

• blackmail sb into (doing) sth 

  因为受到胁迫而做出某事

• emotional/moral blackmail 

  情感上/道德上胁迫

• She had already tried emotional blackmail to stop him leaving.

  她试过以情相迫，不让他离开。

• I refuse to be blackmailed into making a quick decision.

  我不会因为受到胁迫而作出仓促的决定。

• She blackmailed him for years by threatening to tell the newspapers about their affair.

  她以向报纸公开他们的恋情要挟了他很多年。

• It looks like the pictures were being used for blackmail. 看来这些照片正被用于敲诈勒索。

BrE /ˈblækmeɪl/

NAmE /ˈblækmeɪl/