obstructions
An obstruction is something that blocks a road or path.
John was irritated by drivers parking near his house and causing an obstruction.
约翰对在他家附近停车而造成阻塞的那些司机感到恼火。
An obstruction is something that blocks a passage in your body.
The boy was suffering from a bowel obstruction.
那男孩当时患有肠梗阻。
Obstruction is the act of deliberately delaying something or preventing something from happening, usually in business, law, or government.
prevention , hindrance
Mr Anderson refused to let them in and now faces a criminal charge of obstruction.
安德森先生因当时拒绝让他们进入,现在正面临一项故意妨碍罪的指控。