成千上万 chéng qiān shàng wànLesson 20 成千上万 chéng qiān shàng wàn, lit. by the thousands and tens of thousands (idiom); innumerable; thousands upon thousands 成, to become, to turn into 千, thousand 上, on top, above, upon 万, ten thousand March 26, 2023 luanfeng
