That "s not clear."

那不太清楚。

youdao

It is not clear how the chemicals ended up in the two separate U. S. formula samples that tested positive.

还不清楚这两种被检测出为阳性的美国配方奶粉会被做出何种处理。

youdao

It was not clear from the study how many of the infections proved fatal, but other studies in the U. S. and Israel have shown that about 40% of patients with the infection die.

目前还不清楚受到感染的患者中有多少人会有生命危险，但美国和以色列的其他研究表明，有大约40%的人感染后会死去。

youdao

Indeed,it's not clear what they have accomplished, but I think that it would be fair to assume that they haven't accomplished a lot."

VOA: standard.2010.07.09

Well you can read the story, it's in Numbers 20, the incident is described there. But the answer is still not entirely clear, it's not clear what Moses did that was so bad as to deserve this punishment.

你们可以阅读这个故事，在民数记20，讲述了这个事件,然而答案却仍然不是完全清楚的，摩西究竟做了什么,坏事才遭受这样的惩罚，还不完全清楚。

耶鲁公开课 - 旧约导论课程节选

Or at least,it is clear what your alternatives are; it's not clear which alternative would be any better.

至少就算选择明确;,哪个选择比较好的标准却不明确。

耶鲁公开课 - 死亡课程节选

It's not clear whether the results of this test will convince the Orthodox Church.

BBC: Despatches

It's not clear exactly who's calling the shots and what their long-term objectives are.

WHITEHOUSE: President Obama and President Lee Hold a News Conference

But that bill has long been promised and it's not clear when it will appear.

BBC: Hidden world of the political advisers