成千累万 chéngqiānlěiwàn thousands upon thousands Origin Definitions Defs Strokes Stroke Words Sentences Sents 成 chéng numeralverb in great numbers (bound form) in considerable numbers or amounts; by the (set, thousands, etc.)千 qiān numeral many many; numerous; a large number累 lěi verbnoun to accumulate (bound form) to pile up; to accumulate; to build up万 萬 wàn nounadjective countless myriad; multitudinous; a great number