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up one's sleeve

更新日期:2026-08-14

词语 up one's sleeve
释义

up one's sleeve (of a strategy, idea, or resource) kept secret and in reserve for use when needed 作为锦囊妙计的; 留作一手的: he was new to the game but had a few tricks up his sleeve. 他虽不熟悉这项运动, 却自有锦囊妙计。

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