1.United front policy is class policy and the two are inseparable; whoever is unclear on this will be unclear on many other problems.
统一战线政策就是阶级政策，二者不可分割，这一点不弄清楚，很多问题是弄不清楚的。
2.the law itself was unclear on that point; the reason for their actions is unclear to this day.
在那一点上这条法律本身就是不清楚的；他们行为的原因至今仍不清楚。
3.Very rarely does one find clear thoughts clothed in unclear language. Much more often does one find unclear thoughts expressed clearly.
吾人不常见清晰的思想包藏于不清晰的文字中，却常看见不清晰的思想表现得淋漓尽致。
4.Controls the distribution of colour on the body. Various authors are rather unclear when it comes to describing the different patterns.
控制身体颜色的分布。众多作者在介绍各种不同花纹时都不十分清晰。
5.The time frame is still unclear to us.
时间长什么样，我们仍然不清楚。
6.But the relationship between HCMV infection and plasma endothelin (ET) and serum tumor necrosis factor(TNF) which are closely related to the pathogenesis of the AS is unclear.
但是，HCMV与2型DM动脉粥样硬化的形成及动脉粥样硬化形成过程密切相关的血浆内皮素（Endothelin，ET），肿瘤坏死因子（TumorNecrosis Factor，TNF）等的关系尚未明了。
7.We terminated our relation with the company; It is unclear whether the bombing of Hiroshima ended the war; Cease doing what you are doing!
我们结束了伙伴关系。
8.Your cause is still unclear.
你的事还不很明白。
9.The MRI imaging of MCC is lower signals with unclear border in T1w and T2w, but becomes clear in enhanced MRI.
CT见略高密度均匀的病变 ,MRI上T1w、T2w呈略低信号 ,边界不清 ;
10.Although the reasons are unclear, researchers said lack of sleep appeared to be linked to increased blood pressure, which is known to raise the risk of heart attacks and stroke.
目前其中的原因尚不清楚，但研究人员称，睡眠不足会导致血压升高，从而增大患心脏病和中风的风险。
