Translation of "personate" into Chinese

Any person who alleges collusion or pretence in connection with the specified dower must duly provide proof

任何人指控某项彩礼存在共谋或伪装的,应当提供相应的证据证明。

When he sees her in person, he says it's an impostor.

但当他看到母亲本人,却说那是假冒者。