obstacle

Compared meaning: something that blocks progress (noun).

比较义项：阻碍前进、妨碍达成目标的东西（名词）。

• obstacle 本词

  The common, everyday word for anything—physical or abstract—that blocks progress toward a goal; typically used for challenges, setbacks or difficulties in life, career or plans.

  常用词，可以指具体或抽象的、阻碍达成目标的任何事物；通常用来描述生活、事业或计划中的挑战、挫折或困难。

  Losing her job was a major obstacle in her career path.

  失业是她职业道路上的一个重大障碍。

• obstruction

  A more formal word, mainly for something physically blocking a path, road or pipe; also common in legal or medical contexts, and rarely used for abstract life goals.

  更正式的词，主要指堵住道路、通道或管道的具体物体；也常用于法律或医学语境，很少用来指抽象的人生目标。

  A fallen tree caused an obstruction on the mountain road.

  一棵倒下的树在山路上造成了阻塞。

Obstacle and obstruction both mean something that blocks progress. Obstacle is the common word, used for physical or abstract things, like challenges or plans. Obstruction is more formal, mainly for something physically blocking a path or pipe. Not compared: obstruction's legal or medical uses.

obstacle和obstruction都指“阻碍物”，但obstacle是更常用的词，既可指具体的障碍，也可指抽象的困难或挫折；obstruction更正式，多指堵住通道的具体物体，此处不比较obstruction在法律（如“妨碍司法”）或医学（如“肠梗阻”）语境中的用法。