事出有因 shìchūyǒuyīn for a reason Origin Definitions Defs Strokes Stroke Words Sentences Sents 事 shì noun matter matter; affair; thing; event出 chū verb to happen to happen; to occur; to arise (of events or problems)有因 yǒuyīn verb + noun to have a reason There is a reason for it; to have a cause or origin.