offend against convention
... break with convention打破常规 offend against convention违反公约〔协定〕 sign a convention签署公约 ...
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offend against convention 违反公约／协定 We mustn't offend against their customs.
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offend against convention
违反惯例
以上为机器翻译结果，长、整句建议使用 人工翻译 。