惨事

1. Origins, structure, and basic meaning

• Structure: 惨事 (さんじ) combines misery 惨 and event 事 to denote a tragedy or disaster.
• Basic usage: It describes a grave outcome caused by carelessness and documented to prevent repetition.

2. Common pitfalls and similar expressions

• A severe event, not a minor mishap
  • 惨事 implies substantial harm and suffering, making it too strong for a small inconvenience or harmless mistake.