And you sounded a little unsure and tentative.

你听起来有点不确定和犹豫。

We are unsure of ourselves and want to be liked by everyone.

我们不自信，急于被他人认可。

But NASA's astronomers remain unsure whether it is predominantly gaseous, liquid or solid.

但NASA学家们还不确定它的主要成分气体，液体还固体。

Consult your dictionary when unsure of your spelling.

对拼写无把握时就要查阅词典。

If you're unsure of the answer just guess.

如果不确定答案，猜。

Doctors are also unsure about how long vaccine protection lasts against COVID.

医生们也不确定针对新冠病毒的疫苗能有效多久。

Probably this is explained by them being unsure if they can tell the truth.

这可能因为他们不确定自己能否说出实话。

She was unsure if she was communicating clearly.

她不确定自己否表达清。

She's like a bit unsure of herself.

她对自己不很自信。

If you're unsure of your next chapter, if you're still figuring it out, guess what?

如果你不确定你的下一章，如果你还在摸索，你猜怎么着？

But, if you are ever unsure which one to use, choose " while" .

但，如果你不确定该用哪一个的时候，那就用 " while" 。

Sweating can also be a sign that you are unsure of your ability.

出汗也可能你对自己能力不确定的信号。

Today we talk about trying something new or something you are unsure about.

今我们谈论的尝试一些新事物或你不确定的事物。

Studies show that the average person feels unsure of themselves at least five times daily.

研究表，一般人每至少有五次对自己感到不自信。

If you are unsure what to wear, you can always ask the host.

如果你拿不准该穿什么服装，问主人就好。

The speaker here is unsure about whether the listener will see the man again.

这里，说话者不确定听者否会再次见到该名男子。

If I ever feel unsure, I look to my friends for advice.

如果我不确定的话，我会我的朋友寻求建议。

Put your finger there if you're unsure about where to stop your tongue.

如果你不太确定舌头应该停在哪个位置的话，用你的手指帮你确定一下。

During a conversation, if you don't communicate your message clearly, people feel unsure.

在对话过程中，如果你没有清晰表达你要表达的信息，大家会感觉不太确定。

Only when a witness is unsure does a risk of misidentification arise.

只有当目击者不确定时，才会出现误认的风险。