n.(解决问题的)线索,线团
vt.绕成线球,提示
What was the clew that would set everything straight again?
要抓住了什么线索才能把一切弄得井井有条.
That is to say, he " found a clew. "
那就是说, 他 “ 找到了线索 ”.
At last he had a clew to her interest, and followed it deftly.
这一下终于让他发现了她的兴趣所在, 于是他熟练地继续谈这个话题.