A flash mob is a group of people who come together suddenly in a public place, do something unusual for a short period of time, and then quickly break up.

快闪族，是指一群人突然在公共场所聚集，在短时间内做一些不寻常的事情，然后迅速散开。

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He cut his teeth breaking up a mob-connected trucking cartel[2].

在打破勾结犯罪团伙垄断货车运输业的某卡特尔一案中，他小试牛刀。 （译注：cut one’s teeth [on sth.]

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The mob decides in unison, without lateral communication, like a flock of birds taking off, to pull up once more.

没经过沟通，众人像一群起飞的鸟一样，一致决定再次拉起飞机。

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He ended up being chased down the street by an angry mob.

他最终的下场,却是被一群愤怒的暴徒沿街追打

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Older brother Tiberius began by reforming the system of landholdings, so small landowners could earn more money and employ laborers, but a mob caught up with him and killed him.

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Set in 1929, the comedy's plot centers around two musicians escaping from the mob by dressing up as women to join an all-female band.

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Mr. MORTENSEN: (As Tom Stall) Some mob guy showed up at the diner, saw me on TV, and he came by to take a look at me.

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