我男朋友说我会喜欢徒步旅行假期，但我不信。

My boyfriend says I'd enjoy a hiking vacation, but I'm not ___convinced.

我确信她在说谎。

I'm ___convinced she is lying.

我确信我将来会从这次经历中受益。

I'm ___convinced that I would benefit from this experience in the future.