作为一名不可知论者，她对更高力量的可能性持开放态度，但并不确信。

As an agnostic, she remains open to the possibility of a higher power but is not convinced.

她开始对一切都不确信了。

She began to unsure of everything.

我不确信。我的衣服都是妈妈买的。

I'm not sure. My mom buys all my clothes.

可能你不确信这是一个低度的病例。

Some of you may not be convinced that it is LSIL case.

我不确信他是否因为乱砍树木而受到控告。

I am not sure whether he is accused of deforestation.

这其中蕴含着一个道理，但我还不确信那是什么。

There is a lesson in all of this, but I am not sure what.

我们也许发现不了什么。我的朋友对他看见的东西也不确信。

We may not find anything. My friend wasn't sure what he saw.

直到现在，甚至连科学家也不确信是否有不明飞行物。

Until now, even the scientists aren't sure whether there are UFOs .

我不确信这个论坛的人就可以提供很多实际的帮助而不仅是鼓励。

I am not sure if people on this forum can offer much real help other than encouragement.

她不确信到底是迪奥的那位员工向中国媒体提交了这份(歪曲的)声明.

It is unclear who at Dior provided the statement to the Chinese news media.