人命关天 rénmìngguāntiān vitally important Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 人命关天,在处理这起医疗事故时我们必须格外慎重。 rénmìngguāntiān, zài chǔlǐ zhè qǐ yīliáo shìgù shí wǒmen bìxū géwài shènzhòng. Human life is at stake; we must be exceptionally cautious when dealing with this medical malpractice incident. Source: Dong Chinese Dictionary