1. 勒索；敲詐；訛詐
    Blackmail is the action of threatening to reveal a secret about someone, unless they do something you tell them to do, such as giving you money.

    e.g. It looks like the pictures were being used for blackmail...
           這些照片好像被用于敲詐勒索。
    e.g. Opponents accused him of blackmail and extortion.
           對方指控他敲詐勒索。

2. （情感或道德上的）迫使，脅迫
    If you describe an action as emotional or moral blackmail, you disapprove of it because someone is using a person's emotions or moral values to persuade them to do something against their will.

blackmail的意思

    e.g. The tactics employed can range from overt bullying to subtle emotional blackmail.
           從公然威嚇到微妙的情感脅迫，各種戰(zhàn)術(shù)都用上了。

3. 勒索；敲詐；訛詐
    If one person blackmails another person, they use blackmail against them.

    e.g. He told her their affair would have to stop, because Jack Smith was blackmailing him...
           他告訴她說他們的婚外情必須結(jié)束了，因?yàn)榻芸恕な访芩拐谇迷p他。
    e.g. The government insisted that it would not be blackmailed by violence...
           政府堅(jiān)持說它不會(huì)接受暴力訛詐。