smoke screen

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. (military) screen consisting of a cloud of smoke that obscures movements
• Syn:
smokescreen
• Topics:
military, armed forces, armed services, military machine, war machine
• Hypernyms:
screen
2. an action intended to conceal or confuse or obscure
- requesting new powers of surveillance is just a smokescreen to hide their failures
• Syn:
smokescreen
• Hypernyms:
concealment, concealing, hiding