n.路障；障礙

There was no sign of a roadblock. 那兒沒有設置路障的跡象。

The police had set up a roadblock and waved several drivers down. 警方設下路障并揮手示意幾位司機停車。

His car was swerved to avoid bumping against the roadblock. 為了避免撞上路障,他把車打了個急轉(zhuǎn)彎。

Anytime they could set up a roadblock in our way. 他們隨時都可能設置障礙來阻礙我們。