turncoat witness
turncoat witness 倒戈证人；变节证人 本来视为是有利于己方的证人后来转变成为有利于对方的证人。 (→adverse witness)
turncoat witness
turncoat witness
A witness whose testimony was expected to be favorable but who becomes (usu. during the trial) a hostile witness.
A witness whose testimony was expected to be favorable but who becomes (usu. during the trial) a hostile witness.