Translation guide
A person, thing, or strategy that gives a hidden advantage, often revealed at a crucial moment.
Referring to a person or object that provides a surprise advantage.
The most direct translation, used for both literal weapons and metaphorical hidden assets.
Referring to a plan or method that is unexpectedly effective.
A secret plan or strategy, often used in business or games.
秘密の作戦で勝った。
We won with our secret weapon.
Referring to a special talent that gives an edge.
A special skill or forte, often used when someone's unique ability is their secret weapon.
秘密兵器 is the most general and can be used for people, objects, or strategies. 切り札 emphasizes a decisive, often final, move or person. 奥の手 implies a hidden technique or trick, often a last resort.
While 秘密兵器 is common, in very casual conversation, simply describing the advantage might be more natural than using a set phrase.
彼が我々の秘密兵器だ。
He is our secret weapon.
この新製品が会社の秘密兵器です。
This new product is the company's secret weapon.
Literally 'trump card', used for a decisive hidden resource or person, often in competitive contexts.
彼女がチームの切り札だ。
She is the team's secret weapon.
A hidden trick or last resort, often a skill or technique kept in reserve.
彼は奥の手をまだ隠している。
He is still hiding his secret weapon.
A hidden asset or surprise move, often used in sports or competitions.
監督は隠し玉を用意していた。
The coach had a secret weapon ready.
彼の特技が秘密兵器だ。
His special skill is his secret weapon.
A hidden talent that can be used as a secret weapon.
彼女の隠れた才能がチームを救った。
Her hidden talent saved the team.