Such conduct on his part gave rise to her parents' suspicion.

We have some doubt as to whether he has chosen the right course.

Some psychologists raise doubts about Pepperberg's research.

I cannot forbear expressing my doubts.

Sure enough, he entertained doubts.

Talk like that will raise suspicion.

This aroused her suspicion.

I doubt everything, even my own doubts.

The news confirmed my suspicions.

I had doubts.