And you sounded a little unsure and tentative.

你听起来有点不确定和犹豫。

They will leave Beijing unsure if they won silver or gold.

他们将令北京冬奥会不确定他们是赢得了银牌还是金牌。

They thrive on keeping their victims unsure and uncertain.

他们喜欢让受害者缺乏信心。

If you're unsure of the answer just guess.

如果不确定答案，猜。

Scientists are still unsure why this happens.

科学家仍不确定为什么会这样。

She was unsure if she was communicating clearly.

她不确定自己是否表达清楚了。

They looked very uncomfortable and unsure of themselves.

他们似乎很尴尬、很不自信。

Or, maybe you're unsure what to order.

或者，你不确定该点什么。

The refugees are now unsure of their future.

难民们现在对自己的未来充满了不确定。

Arguments for " greedflation" rest on unsure theoretical ground.

关于“贪婪膨胀”的论点，其理论依据并不确定。