No one else can use certificates or impersonate yours, at least in theory.

没有人能够使用证书或者模仿您，至少从理论上是这样。

youdao

To test their procedures, they needed a man and a woman to impersonate a married couple for multiple sessions.

为了测试他们的流程，他们在很多时候需要一个男人和一个女人来模仿已婚夫妇。

youdao

Tie a scarlet cape around your neck if you want to impersonate Harry as a Quidditch player.

如果你模仿的是打魁地奇的哈利，那么别忘了哈利的猩红色斗篷。

youdao