必定bìdìngTop 7000Meanings1. to be bound to; to be sure toCharacters used必certainly定to fixExamples3人rén必定bìdìng要yào死sǐ的de。Man is bound to die.他tā的de政权zhèngquán必定bìdìng会huì崩溃bēngkuì。His regime is bound to collapse.脚踏两条船jiǎotàliǎngtiáochuán，必定bìdìng落空luòkōng。If you run after two hares, you will catch neither.