作证 zuòzhèng to testify Definitions Defs Origin Strokes Stroke Words Sentences Sents zuòzhèng to testify 作 zuò verb to do to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases证 證 zhèng verb to prove to prove; to testify; to confirm; to demonstratezuòzhèng to serve as evidence 作 zuò verb to do to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases证 證 zhèng noun evidence (bound form) evidence; proof; testimony