There is no clue to this puzzle.
这个谜题没有任何线索。
He had no clue what she was talking about.
他对她在说什么毫无线索。
The detective promised to leave no clue unturned in solving the case.
侦探承诺在解决案件时不会留下任何未翻过的线索。
I ' ve no clue to it.
我对此一点也不摸门.
We had no clue what that meant.
我们不知道这意味着什么。
In this case, we at first had no clue.
这个问题我们一开始并没有线索。
Is no clue to the identity of the thief.
没有确定窃贼身分的线索。
No clue to his whereabouts has been found.
至今没有找到有关他行踪的线索。
No clue to his whereabouts has been found .
至今没有找到有关他行踪的线索。
I want to learn SEO optimization, but no clue.
我是很想学习SEO优化,但是一点头绪都没有。

词典释义: