她变得偏执多疑，总觉得邻居在监视她。

She grew ___paranoid, constantly believing her neighbors were watching her.

自从丢了钱包后，他就变得疑神疑鬼的，总觉得有人要偷他的东西。

After losing his wallet, he became ___paranoid and kept thinking someone was trying to steal from him.