← ChinesePath Chinese Dictionary 曾经 céngjīng adverb once; at some time in the past 他曾经在国外留学。 Tā céngjīng zài guówài liúxué. He once studied abroad. The full ChinesePath dictionary entry for 曾经 includes audio for every reading and example sentence, more example sentences, collocations, synonyms and links to the course units where it is taught. Look It Up in the App