The ship had vanished without (a) trace.

那艘船消失得无影无踪。

《牛津词典》

A trace of hesitancy showed in Dr. Stockton's eyes.

一丝迟疑出现在斯托克顿医生的双眼中。

《柯林斯英汉双解大词典》

They have spent ages looking at the map and can't find a trace of anywhere called Darrowby.

他们已花了很长时间察看地图，却怎么也找不到一个叫“达罗比”的地方。

《柯林斯英汉双解大词典》

He also produces the police drama about missing people called Without a Trace. And the Emmy award-winning reality TV show, The Amazing Race. Jerry Bruckheimer has won many awards during his career, including several Emmys,Oscars, Grammys and Golden Globes.

VOA: special.2010.03.12

"Because mutations start occurring at regular intervals in these genes as soon as a new species evolves - like the ticking of a clock - we can use them to trace the evolutionary history of a species back to its time of origin, " said Dr Hedges.

BBC: Earth AP

On the contrary, that unemployed army has disappeared without a trace--no doubt temporarily diving into nice, safe corporate careers.

FORBES: A Season For Surprises

The proposals to be brought forward would address the fact the police - who can already tell when, where and who made a mobile phone call or sent a text message - cannot always trace the origin of an email, a message sent via instant messaging or a phone call made over the internet.

BBC: 'Fresh proposals' planned over cyber-monitoring