He was no longer certain that had been the right decision.

After last night she was no longer certain she would be able to leave him.

It is no longer certain whether they need to answer any of them.

I am no longer certain that joining your Federation would be the best thing for my people.

She was no longer certain what she expected from him.

There were too many mirrors in her life, and she was no longer certain what they reflected.

He'd known she would ask, but was no longer certain he had the real answer.

She was no longer certain she could learn anything from him at all.

You cannot see that her end is no longer certain.

Everything else is changing, and I'm no longer certain that all the changes will be good.