| 单词 | secret weapon | 
| 释义 | secret weapon ˌsecret ˈweapon noun [C] ► F0 something or someone that no one knows about and that will give you an advantage over your competitors or enemies: » Johann was the bank robbers' secret weapon - he knew how the security system worked.Thesaurus+: ↑Advantage and disadvantage  | 
	
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