N-UNCOUNT 取巧占上风的伎俩；总是想要胜人一筹的尝试 If you refer to someone's behaviour as one-upmanship, you disapprove of them trying to make other people feel inferior in order to make themselves appear more important. 取巧占上风的伎俩；总是想要胜人一筹的尝试 [disapproval]
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It was the expression of a man who'd won a trifling game of one-upmanship.
这是一个人在无关紧要的较量中取巧获胜时流露出的表情。
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...political one-upmanship.
政治上高人一筹的伎俩