I'm still unsure whether to attend the wedding.
Unsure whether to move away from him or verbally fend him off, she did neither.
She was always unsure which name to use.
He went back and forth with the canvas from his bedroom to the music room, unsure where to hang it.
The boy seemed unsure how to respond and gazed at her, as did the others.
"I'm sorry," she said, unsure what else to say.