King’s evidence
noun/ˌkɪŋz ˈevɪdəns/
/ˌkɪŋz ˈevɪdəns/
[uncountable] (law)- if a criminal turns King’s evidence, they give evidence against the people who committed a crime with them
如果罪犯提供了金的证据，他们就会提供对与他们一起犯罪的人不利的证据