曾经 céngjīng HSK3 once Origin Definitions Defs Strokes Stroke Words Sentences Sents 曾 céng adverb once once; ever in the past; indicates that an action has previously occurred or a state has existed; often used as a formal or written shorthand for 曾经 céngjīng经 經 jīng verbpreposition to pass through to pass through; to undergo; to experience