势在必行 shìzàibìxíng to be imperative Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 合作势在必行，即使和我们不喜欢的人在一起。 hézuò shìzàibìxíng, jíshǐ hé wǒmen bù xǐhuan de rén zàiyīqǐ. Cooperation is imperative, even with people we don't like. Source: CCMatrix