There are multiple definitions - click on the translation that matches your context.

提供不利于他人的证据

短语动词/动词词组

full

give evidence against (someone or something)

phrase

Definitions of give evidence against (someone or something)

English

to act as a witness against someone in court by presenting proof that they acted or did not act in a certain way, such as documents and records etc, and then being questioned about that evidence by lawyers

A prosecutor that was going to give evidence against the government has died suddenly just before the trial.