绊脚石 (bàn jiǎo shí) — 걸림돌, 장애물

A stumbling block — a thing that trips you up, focusing on the object that causes the problem. 障碍 is broader (any barrier, can be abstract); 钉子 as 'obstacle' implies a deliberate, person-made snag.

noun
걸림돌장애물

예문

  • 绊脚石
    Zī jīn bù zú shì gōng sī fā zhǎn de zhǔ yào bàn jiǎo shí.
    Insufficient funds are the main stumbling block to the company's development.
  • 绊脚石
    Wǒ men xū yào xiǎng bàn fǎ jiě jué zhè ge bàn jiǎo shí.
    We need to find a way to remove this obstacle.
  • 绊脚石
    Tā kè fú le suǒ yǒu de bàn jiǎo shí, zuì zhōng qǔ dé le chéng gōng.
    He overcame all the stumbling blocks and finally achieved success.

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