爆弾

1. Origins, structure, and basic meaning

• Structure: In 爆弾 (ばくだん), explosion 爆 and projectile 弾 combine to denote a bomb.
• Basic usage: 爆弾 primarily denotes an explosive device.

2. Common pitfalls and similar expressions

• Explosive device and figurative shock
  • It can figuratively modify information or remarks with explosive impact, but surrounding nouns and predicates distinguish that use from a literal bomb.