做证 zuòzhèng to testify; to bear witness
How to remember 做证: 做 do + 证 prove = to testify; to bear witness.
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How it is used
- To testify / bear witness - give evidence - 出庭做证 (chūtíng zuòzhèng) to appear in court and testify; 为他做证 (testify for him).
- A verb-object phrase (make + testimony); legal register but also everyday ('back me up as a witness').
- Variant of 作证. The witness who does it is a 证人 (zhèngrén).