我非常清楚，计划会很容易出问题。

I know only too well that plans can easily go wrong.

《柯林斯英汉双解大词典》

我非常清楚在美国生活的一切套路。

I knew exactly what living in America involved.

youdao

我非常清楚，在杰夫的内心深处，他也为此感到高兴。

Somewhere in the back of Jeff's mind, I'm quite certain he was as well.

youdao

I think it's fairly clear that you don't need to appeal to souls in order to do that.

我想大家应该能非常清楚地看到,这样的诉求并非是必须的

耶鲁公开课 - 死亡课程节选

And I remember quite clearly thinking to myself as that happened-- the whole thing lasted only a few moments-- but I remember thinking quite clearly, " "I'm going to die."

我十分清楚地记得当时自己是怎么想的-,整件事就持续了几秒钟-,但我非常清楚地记得，“我要死了“

耶鲁公开课 - 死亡课程节选

He was able to communicate those very clearly to me.

他可以把这些,非常清楚地告诉我。

普林斯顿公开课 - 国际座谈会课程节选