have your doubts

have (one's) doubts (about someone or something)

To be wary or uncertain of someone or something. I know you really love this neighborhood, but I have my doubts. I do have my doubts about Brian—he just seems untrustworthy to me.See also: doubt, have, someone

have your ˈdoubts (about something)

have reasons why you are not certain about whether something is good or whether something good will happen: I’ve had my doubts about his work since he joined the company.It may be all right. Personally, I have my doubts.See also: doubt, have