习惯成自然 xíguànchéngzìrán habit becomes second nature Origin Definitions Defs Strokes Stroke Words Sentences Sents 习惯 習慣 xíguàn noun habit habit; custom; usual practice; a long-term pattern of behavior or social fashion成 chéng verbparticle to become to become; to turn into; to change into自然 zìrán adverb naturally Of course; as a matter of course; used to indicate that something is logically expected