追踪某人，寻找某人或某物

on the back of───在…之外，在…后面

on the trail of───跟踪追赶

in the thick of───在最激烈的时刻

on the stroke of───一触即发

in the act of───正在做…时

in the face of───面对

on the order of───属于…同类的；与…相似的；近似

on the part of───就...而言；由...所作出的；在...一边；由...所表现出的

on the rack───十分痛苦

Tom, have you got on the track of that money again?───汤姆，你又有那笔钱的线索了吗？

We're on the track of the speedboat.───我们乘快艇追踪.

The police are on the track of the gang.───警方正在追踪那帮团伙.

The research institute is on the track of what causes the artery damage.───研究所正在探究动脉损伤的诱因。

The pursuers hung on the track of the criminal.───追赶者跟踪着这个罪犯不放.

He was on the track of an escaped criminal.───他正在追踪一名逃犯。

I'm on the track of a valuable painting.───我在追寻一幅珍贵的油画.

Domestic tourism has boomed, with holiday tourism embarking on the track of sound and orderly development.───国内旅游方兴未艾,全国假日旅游已初步走上了健康有序的发展轨道.

A detective on the track of Mr Fogg, accused of robbing the Bank of England!───他是个警察厅的警官,是个追踪我的主人的侦探, 他还说福克先生在英国银行行窃!

The police are on the track of the thief.───警察正在追踪那个窃贼.

The police are hard on the track of the gangster.───警察正在追踪那名匪徒.

Tom, have you got on the track of that money again?───汤姆, 难道你又找到那些钱的线索了 吗 ?

The police are on the track of the gang.

The police are on the track of the killer.

She felt the excitement of a journalist on the track of a good story.

Police are on the track of the thieves.

Police are on the track of a gang that has robbed five mini-marts in the last month.

Police are on the track of the bank robbers.

The police are on the track of the gangster.

The police are hard on the track of the gangster.

He was on the track of an escaped criminal.