释义
be wise or polite enough to avoid doing a particular thing
知道不该，明白事理（而不去做某事）
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you ought to know better than to ask that .你应该知道这种事不能问。
双语例句
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Who should know better than I?
谁能比我更清楚呢？
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You should know better than to behave like that.
你应当明白事理，不该那么不懂规矩。
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You ought to know better than anyone that Bushwhacker is the best bull here.
您应该比谁都知道大镰刀是这里最好的公牛。
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I think you know better than me.
我相信你比我了解的更深入。