支障

1. Origins, structure, and basic meaning

• Structure: 支障 is read ししょう and means a hindrance that prevents something from proceeding smoothly.
• Basic usage: It is used for rain affecting transport operations or construction noise interfering with a class.

2. Common pitfalls and similar expressions

• The affected activity
  • In 運行に支障はありません, に identifies the affected activity. The statement says operations are not disrupted.
• Compared with 故障
  • 故障 is used for machinery or devices failing to work properly. 支障 also covers interference from noise, weather, or scheduling that affects an activity's smooth progress.