The water was so clear we could see the bottom of the lake.

湖水清澈见底。

《牛津词典》

The problem is so clear; why discuss it?

问题这么清楚， 还用得着讨论?

《新英汉大辞典》

The scar on my hand was so clear that it brought me back to my childhood.

我手上的伤疤是如此清晰，以致让我想起了我的童年。

youdao

"I think they were entitled to take action against a budding dictator. But even if they weren't, it seems to me that it is not so clear that he is in the right that the United States should be meddling in Honduras' affairs."

VOA: standard.2009.07.03

But in fact, he doesn't end there. He doesn't make so clear a declaration.

但事实上他没有到此为止，他并没有清楚的声明。

耶鲁公开课 - 现代诗歌课程节选

Is that of course--and why is it so clear ? the lawyer got to be more wrong?

为什么我们确定,律师犯了更多错？

耶鲁公开课 - 死亡课程节选

So far, so clear: Mr Obama may attack if we proceed towards nuclear weapons.

ECONOMIST: Lexington

But whether the economy will benefit from it in the long run isn't so clear.

FORBES: Magazine Article

Yet in summers, that passage is now so clear that tourist ships routinely sail through it.

CNN: Why we should look to the Arctic