hindrance

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 hindrance:

1. something immaterial that interferes with or delays action or progress
   同义词：hinderance, deterrent, impediment, balk, baulk, check, handicap
2. any obstruction that impedes or is burdensome
   同义词：hinderance, hitch, preventive, preventative, encumbrance, incumbrance, interference
3. the act of hindering or obstructing or impeding
   同义词：hinderance, interference

1. Please allow the bearer of this passport to pass freely without let or hindrance.
   请予护照持有人顺利通行。
2. The servants were more of a hindrance than a help (to me).
   这些用人(对我来说)帮不上忙反而是累赘。
3. She regarded him as a hindrance.
   她认为他是一个障碍。
4. Some kitchen gadgets are more of a hindrance than a help.
   有些小炊具非但没有用处反而碍事。