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The management agreed to raise the workers'pay, but they reneged on their word.
资方同意提高工人工资, 但他们却违背了诺言.
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4、
If someone reneged on a deal, they could never trade here again.
谁要是违背了约定，就永远不能再在这里进行交易。
《柯林斯高阶英汉双解学习词典》
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