搞不清楚了，但我闭着眼也能摸过去。
好吧，实话告诉你好了，我自己也兴奋过度搞不清楚了。
Well, to tell you the truth, in all this excitement, I've kinda lost track myself.
礼堂外面，一个售货摊向人们销售印有卡通图案的小册子。这种小册子向人们解释了各种各样让人搞不清楚的技术名词，例如，“net”不是用来打鱼的网，“web”也不是蜘蛛网。
Outside the hall, a booth sells a cartoon-booklet in which a young man explains to various technophobes that the "net" is not for fishing and the "web" has nothing to do with spiders.
我搞不清楚他怎么解决了问题的。
是啊，知道吗。起初我还搞不清楚，现在我算明白了：我是一个女人。
Yea, you know. At first I couldn't figure that out and then it dawned on me: I am a woman.
今天人们对化学药剂和癌症的了解已比20年前增加了很多。可是，由于对致癌物的危险界限仍搞不清楚，这就妨碍了作出决定。
Much more is known about chemicals and cancer today than just 20 years ago, yet uncertainty about the risk of borderline carcinogens continues to hamper decisions.
今天人们对化学药剂和癌症的了解已比20年前增加了很多。可是，由于对致癌物的危险界限仍搞不清楚，这就妨碍了作出决定。
Much more is known about chemicals and cancer today than just 20 years ago, yet uncertainty about the risk of borderline carcinogens continues to hamper decisions.
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