成千成万 chéngqiānchéngwàn thousands upon thousands Definitions Defs Origin Strokes Stroke Words Sentences Sents 成千 chéngqiān numeral thousands reaching a thousand; more than a thousand; thousands (of)成 chéng numeralverb in great numbers (bound form) in considerable numbers or amounts; by the (set, thousands, etc.)万 萬 wàn nounadjective countless myriad; multitudinous; a great number