She looked a little uncertain, for the first time since Johnny had met her.

She looked uncertain why he was telling her this now.

The man with the gun looked uncertain for the first time.

For the first time ever that he had seen, she looked uncertain.

Her future, limited from the start, looks even more uncertain.

She looked uncertain, and I wasn't sure the answer was yes.

For the first time, she looked a little uncertain about her place in the world.

She stood by the door, looking uncertain what to do.

I start to move against him, but he still looks uncertain.

Both of them looked uncertain as to what to do or say.