n.线索,提示,(帮助警方破案的)线索,(纵横填字谜、游戏或问题的)提示词语
vt.<非正>为…提供最新情况(消息等)
I hadn't a clue to the meaning of "activism"
我根本不明白activism的意思。
The vital clue to the killer's identity was his nickname, Peanuts.
查明杀手身份的重要线索是他的外号叫“花生”.
That was the clue which clinched it for us.
就是那个线索帮我们最终解决了问题。