煙幕

1. Origins, structure, and basic meaning

• Structure: 煙幕 is read えんまく. It means a smoke screen used to obscure vision or smoke used as a stage effect.
• Basic usage: It describes team members advancing through a spreading white smoke screen during a drill and stage smoke clearing to reveal a castle.

2. Common pitfalls and similar expressions

• A spreading smoke screen
  • 白い煙幕が広がる中 describes moving while a white smoke screen spreads.
• Stage smoke clearing
  • 舞台の煙幕が晴れると means the scene is revealed when the stage smoke clears.