疑心

I am very doubtful of that.

我很疑心那件事。

He’s so suspicious he would distrust his own mother.

他疑心太重, 连自己的母亲也不相信。

His suspicions were awakened.

他起了疑心。

They suspected an ambush.

他们疑心有埋伏。

He was on the fiddle for years and his boss never suspected a thing.

多年他偷偷摸摸骗了好多钱，而他老板从没起过疑心。