他假装不清楚地问这是怎么回事？

What is that all about? "he asked, feigning ignorance."

youdao

因为他们的眼睛不完全地正确的形状，所以其他的人不清楚地见到。

Other people do not see clearly because their eyes are not exactly the right shape.

youdao

那正是你们来到这里的原因，如果我不清楚地、果断地说明我的观点，那就是在浪费时间。

That is the reason why you are here, and it would be a waste of time if I did not explain clearly, decisively, my point of view.

youdao

Now it's not entirely clear that Milton has been successful in sufficiently vilifying Mammon's project of the excavation of riches.

现在尚不清楚弥尔顿是否成功地,有力地咒骂贪神挖掘财富的这一行径。

耶鲁公开课 - 弥尔顿课程节选

but also very non-affrontively, express a lack of complete knowledge

又不冒犯地表达对某事不完全清楚，

I don't know 课堂 - SpeakingMax英语口语达人

I think you should take the lab sometime, but I don't know how many semesters that you have to take.

我觉得你们应该是不是地去做几次实验,我不太清楚你们要上多少个学期的课

耶鲁公开课 - 基础物理课程节选