Again, you have to be very careful about prefixes in XPath expressions.

同样，必须非常小心地处理XPath表达式中的前缀。

youdao

But we do need to be very careful about how we use them, and in what context.

但是在什么语境下和如何使用这些语词和概念我们应该特别加以小心。

youdao

Well, be very careful about [that], because it's not necessarily tribal militias.

在这个问题上需要十分谨慎，因为部落民兵这个词不准确。

youdao

"We really do have to be very careful about trying people in civil courts, in giving them a status beyond what is wanted,".

VOA: standard.2010.01.30

In order to have a completely balanced diet that's completely plant based, one has to be very careful about having a wide array of foods.

为了形成一个完全以素食为主的,平衡饮食结构,你必须非常注意,广泛摄入各类食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I love chemistry now. Be very careful what you say. Have any of you made that statement about hating a subject?

我现在很喜欢化学,所以你们说话的时候,可要小心咯？

麻省理工公开课 - 化学原理课程节选

"I think we have got to be very careful about anything like this, " he said.

BBC: Norfolk PCC Stephen Bett: 'Scrap some speed limits'

If LinkedIn were part of such endeavors, they would need to be very careful about regularity.

FORBES: How Weyland Recruited Me For Prometheus, And Why They Chose Linked-In

We have to be very careful about what is going on in Venezuela.

CENTERFORSECURITYPOLICY: Venezuelas Tarek El-Aissami