The police are still on the trail of the escaped prisoner.

警方仍在追捕逃犯。

《牛津词典》

Regulators are eager to show they are on the trail of the wrong-doers.

监管者正竭力展示他们是如何同那些违规者斗争的。

youdao

Cold case investigator Pat Brown could be on the trail of an ancient killer.

悬案研究人员布朗也许正在追踪一位古代的凶手。

youdao

Carolyn Maloney's own tragedy struck last September, when she learned that her husband of 31 years had died on a mountain trail, during an expedition to the Himalayas.

VOA: standard.2010.08.07

and trail run instead of doing it on the street

在小路上跑，而不是在街上

喜欢加州 - SpeakingMax英语口语达人

Liuwa is known principally for being on the trail of a massive annual migration.

BBC: Birding in Zambia��s wild

Theroux is set to continue on the trail of the weird into another series.

BBC: The wizard of weirdness

You'll be hot on the trail of tropical flora and fauna on an included half-day cloud forest safari.

BBC: Daily deal: An escape to the Panamanian cloud forest