даверлівы 用英语:

You're running a big risk in trusting him.

he is very trusting, always believe that other people are good

I know you, you are trusting.

I wish I could be as trusting as you, but I have to run.

I did wrong in trusting such a fellow.

A certain door-to-door salesman made a fool of a trusting old lady and went off with a lot of her money.