roadblock

n.

路障；障碍；

vi.

设置路障；

复数：roadblocks

1. There was no sign of a roadblock.
   那儿没有设置路障的迹象。
2. The police had set up a roadblock and waved several drivers down.
   警方设下路障并挥手示意几位司机停车。
3. His car was swerved to avoid bumping against the roadblock.
   为了避免撞上路障,他把车打了个急转弯。
4. Anytime they could set up a roadblock in our way.
   他们随时都可能设置障碍来阻碍我们。

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