I'm incredibly nervous when I'm dealing with ancient human teeth.处理古人类牙齿时我紧张得不可思议

deal with讨论；处理，对付

I think we should work out a strategy to deal with this situation.

我想我们应该制订出一项行动计划，用来对付这种情况。

She has a lot of correspondence to deal with.

她有大批信件需要处理。

I'm very conscious of the fact that we have to be careful about damaging material,我很清楚我得小心翼翼地避免破坏这些化石

conscious of意识到

He was conscious of his guilt.

他自知有罪。

He was very conscious of his shortcomings.

他对自己的缺点十分清楚。

be careful about 注意； 重视

In spite of what you say, I think perhaps we'd better be careful about it.

尽管您这么说了，我认为我们最好还是小心从事。

I'd be careful about putting him in charge of the petty cash; he's got sticky fingers.

让他保管零用现金，我得小心，他有小偷小摸的习惯。