補強

1. Origins, structure, and basic meaning

• Structure: Spelling: 補強. Reading: ほきょう. Core meaning: reinforcement.
• Basic usage: Representative examples: 古い棚の裏側を金具で補強した / 橋の補強工事が来月から始まる.

2. Common pitfalls and similar expressions

• Reinforcement versus repair
  • 補強 strengthens a weak part by adding material or structural support. Its purpose differs from 修理, which restores a broken function.