ace up one's sleeve

名词 n.
中文释义

英文释义

名词 n.
  1. A surprise advantage of which others are not aware. idiomatic
    — SCP-7450 is an apocalyptic scenario where the Foundation has to resort to an ace up their sleeves and belief in a higher power solves the problem, but not in the way anyone would expect.

词形变化

aces up one's sleeve plural

词源

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