他总是怀疑同事在密谋反对他，这种偏执的想法让他很难相处。

He's so ___paranoid that his coworkers are plotting against him that it's hard to work with him.

她总是怀疑同事在背后议论她，表现出偏执的症状。

She constantly suspects her coworkers are talking behind her back, showing ___paranoid behavior.

自从钱包被偷后，她对所有陌生人都变得特别多疑。

She's become ___paranoid about strangers ever since her wallet was stolen.