One day he left, disappeared without a trace.

有一天他离开了，消失得无影无踪。

《柯林斯英汉双解大词典》

The prince's manner was informal, without a trace of pomposity.

王子的态度平易谦和，没有一点傲气。

《牛津词典》

She spoke without a trace of bitterness.

她说话时一点儿也不伤感。

《牛津词典》

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

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

VOA: standard.2009.04.09

They believe millions of them are passing through us every second without a trace.

BBC: Dark Matter: Experiment to shed light on dark particles

In the heart of the French countryside, a young boy disappears without a trace.

NEWYORKER: Olivier Olivier

Mel B's Hot could enter the charts no higher than number 28, then disappeared without a trace.

BBC: Emma Bunton