The question is whether he is alive or dead. There is no trace of him.

问题是是他是生还是死我们无从得知他的行踪。

youdao

But when she came back, she was frightened to find that there was no trace of him in the house.

当她回来时，她惊惧地发现，房间里已经没有了他的痕迹。

youdao

Investigators scoured social networking sites such as Facebook and MySpace but initially could find no trace of him and were unable to pin down his location in Mexico.

调查人员搜寻了诸如Facebook和Myspace等社交网站，但一开始没有发现他的踪迹，也就无法确定他在墨西哥的具体藏身点。

youdao

Police had found no trace of him Friday, the San Bernadino County sheriff said.

CNN: February 9, 2013 -- Updated 0253 GMT (1053 HKT)

George McDonald, who was a keen fisherman, was last seen on 31 December but despite searches throughout the Clackmannanshire area no trace of him was found.

BBC: George McDonald

Despite extensive searches, no trace of him was ever found.

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