名詞 roadblock:

1. any condition that makes it difficult to make progress or to achieve an objective
   同義詞：barrier
2. a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
   同義詞：barricade

road.block

n.（名詞）
A barricade or an obstruction across a road set up to prevent the escape or passage, as of a fugitive or enemy troops.
路障：如阻止叛逃者或敵軍通行的關(guān)卡等橫跨公路設(shè)置以阻止逃跑或通行的障礙物
An obstruction in a road, as fallen rocks or trees.
道路障礙：滾落下來(lái)的大石塊或倒地的樹等公路上的阻礙物
Something, such as a situation or condition, that prevents further progress toward an accomplishment.
障礙：一種阻止進(jìn)一步發(fā)展的情形或狀態(tài)