obstruction

obstacle, barrier, obstruction, bar, hindrance

这些名词均含“障碍(物)”之意。
obstacle: 指在达到目的或前进的过程中必须消除或绕过的障碍物，也指起阻碍作用的情况。
barrier: 常指临时的或者可能跨越的障碍。
obstruction: 常既指具体的障碍又可指抽象或喻意上的阻碍。
bar: 既可指阻止进出或通过的栅栏一类的障碍物，也可用于抽象意义障碍。
hindrance: 指妨碍他人进步或做事的人或物。

名词 obstruction:

1. any structure that makes progress difficult
   同义词：obstructor, obstructer, impediment, impedimenta
2. the state or condition of being obstructed
   同义词：blockage
3. something immaterial that stands in the way and must be circumvented or surmounted
   同义词：obstacle
4. the act of obstructing
5. getting in someone's way

1. Partisan politics is often an obstruction to good government. Office politics are often debilitating and counterproductive.
   党羽的政治阴谋经常是良好政府的妨碍。公务上的政治争斗经常是带削弱性质和招致反效果的
2. A bend in a pipe, bar, or other straight continuous piece made to allow it to pass around an obstruction.
   弯管，接头管管子、杆或其他直而长的东西的一个弯，使得它能避开一障碍物
3. He was found guilty of obstruction.
   他被判阻挡犯规。
4. Your car is causing an obstruction.
   你的汽车挡道了。