Read Edit View history 成天 chéngtiān HSK7 constantly Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 成天 · chéngtiān · constantly 2026/03/04 成天 chéngtiān constantly all day long; all the time 他成天就知道打游戏，不务正业。 adverb created sense Mar 4, 2026, 02:25 AM