You have no idea. Not a clue.

你怎么知道我最近压力有多大?。

Still in the dark, not a clue.

不明白， 一点儿都不懂。

I have not a clue, "said Moshe."

教长说：我也不知道。

If this was not a clue to the future-occupation and career-path of young Picasso, then nothing short of having a label on his back that said 'artist-to-be' would have been any clearer!

如果这不是小毕加索将来职业生涯路径的线索的话，那么还有什么能更好地说明“成为艺术家”这一点。

The authors may be in this enviable state of enlightenment, but most readers will not have a clue what they are on about.

这两位作者也许自居启迪世人的地位，这很值得夸耀，然而大多数读者对其所述却全无线索。