He vanished without trace.

他消失得无影无踪。

《牛津词典》

Another 300 people have disappeared without trace.

另外300人已消失得无影无踪。

youdao

He disappears without trace and, after three years, Edgar and Catherine are married.

他消失的杳无音信，三年后，埃德加和凯瑟琳结婚了。

youdao

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

She called on Eritrea to clarify the whereabouts of 11 MPs who disappeared without a trace in September,2001.

VOA: standard.2009.04.09

Two earlier attempts to establish an emerald exchange, in 1981 and again in 1994, sank without trace.

ECONOMIST: Colombia

Under Videla's rule, any opposition was cruelly stamped out and many people were murdered or disappeared without trace.

BBC: Holland takes princess to its heart

"You've had a whole range of withdrawlist parties and independent candidates standing and all have sank without trace, " he said.

BBC: New EU referendum party holding first conference