ace up one's sleeve

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English[edit]

Etymology[edit]

From the dishonest hiding of a high-value ace card for use during play, e.g. in the game of poker.

Pronunciation[edit]

  • (file)

Noun[edit]

ace up one's sleeve (plural aces up one's sleeve)

  1. (idiomatic) A surprise advantage of which others are not aware.

Synonyms[edit]

Translations[edit]