Most people are not particularly brave. When confronted by thugs threatening personal violence, they back down rather than stand up for themselves.

大部分人都不是那么勇敢，当面对一群威胁着要动粗的打手时，他们一般都会知难而退而不是奋起抗争。

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Then they began the long and difficult trip back down.

VOA: special.2010.06.30

They shut us down. We have to dump them back in the water." Wildlife officials have suspended fishing here in Black Bay and other areas affected by the oil leak.

VOA: standard.2010.05.06

When officials realise that the hoped-for efficiency savings will not materialise, they back down.

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When energy is needed, the cars are released, and as they run back down the track their motion drives a generator.

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They walk back down again to an in-depth program, then to the pool, yoga field and dining room, dragging their invisible suitcases behind.

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