secret weapon
noun[C]
uk/ˌsiː.krət ˈwep.ən/us/ˌsiː.krət ˈwep.ən/something or someone that no oneknowsabout and that will give you anadvantageoveryourcompetitorsorenemies:
秘密武器；杀手锏Johann was thebankrobbers'secretweapon- heknewhow thesecuritysystemworked.约翰是银行劫匪的秘密武器——他对警报系统了如指掌。
Advantage and disadvantage
- a stick to beatsomeonewithidiom
- an ace upyoursleeveidiom
- attraction
- be well in thereidiom
- be/stay/keep one jump aheadidiom
- head start
- hold all the cardsidiom
- in
- in the right place at the right timeidiom
- it's tough at the topidiom
- lock
- lose
- profit
- scent bloodidiom
- silver lining
- stick
- the best of both worldsidiom
- tough
- trouble
- trump card