Unsure

Unsure of which suitor she wanted to marry, the princess vacillated, saying now one, now the other.

He was unsure what he would be, and whether.

I'm pretty confident that she understood the problem, but I'm unsure whether she can solve it.

He was unsure how he would get there, and when.

We were unsure what kind of person Tom would be and whether he would like living in the same house as us.

Tom was unsure what Mary would be like and he wondered whether she would get along with his friends.

We were unsure what kind of person Tom would be and whether he would like to live in the same house as us.

He was unsure of what to do.

A sure friend is seen in an unsure matter.

Tom's unsure.