乘势 chéngshì to seize the opportunity Definitions Defs Origin Strokes Stroke Words Sentences Sents chéngshì to seize the opportunity 乘 chéng to take advantage of To avail oneself of an opportunity, circumstances, or someone's weakness.势 勢 shì opportunity (bound form) opportunity; favorable circumstances; timingchéngshì to use power 乘 chéng to take advantage of To avail oneself of an opportunity, circumstances, or someone's weakness.势 勢 shì nounverb power (bound form) power; influence; authority; momentum