警鐘

1. Origins, structure, and basic meaning

• Structure: 警鐘, read けいしょう, literally means an alarm bell and commonly serves as a figurative warning about a serious problem.
• Basic usage: The collocation 警鐘を鳴らす raises an alarm over issues such as food waste or inadequate safety management.

2. Common pitfalls and similar expressions

• A warning that calls attention to danger
  • It is a warning about waste or weak safety management. A fixed expression can sound an alarm figuratively even when no physical bell is rung.