汰旧换新 tàijiùhuànxīn replacing the old Definitions Defs Origin Strokes Stroke Words Sentences Sents 汰旧换新 (汰舊換新) tàijiùhuànxīn replacing the old expression out with the old and in with the new (idiom) Sources Definitions CC-CEDICT
汰旧换新 (汰舊換新) tàijiùhuànxīn replacing the old expression out with the old and in with the new (idiom) Sources Definitions CC-CEDICT