The prosecution master the material, we did not quite clear.

公诉方掌握的材料，我们不太清楚。

The students were not quite clear about what the teacher meant.

学生们不太清楚老师的意思是什么。

It is not quite clear yet how those pits on the moon were formed.

月球表面的坑是怎么形成的还不清楚。

I'm not quite clear on how such an animal worked its way into Dong Zhong's paintings.

——这样的东西是怎样钻到董重画面上去的，我不清楚。

According to the Chen introduced in the house of the very frequent replacement tenants, specific reasons not quite clear.

据这位陈先生介绍，在这个房子内的租客更换得很频繁，具体原因不太清楚。

Since the thesis covers extensive disciplines, some concepts of which are not quite clear, it is necessary to define the concepts.

因为论文涉及的学科范围比较广，有些概念学界仍不十分清晰，为了论述方便，所以有必要对一些概念进行界定。

While the exact hardware specs are not quite clear yet, it does seem logical that Amazon would like to push its eBook reader into this market segment.

具体的硬件指标我们尚不清楚，但是亚马逊有理由进入这个市场。

In the current research on the classification of sports competitions, not quite clear explanation of their regularity makes this sort of research lack rigorousness and profoundness.

目前关于体育赛事分类研究中，由于对其规律性说明不够清晰导致此类研究缺乏严密性与深刻性。