“悬崖勒马”，汉语成语，意思是在高高的山崖边上勒住马（draw [rein] in one's horse at the edge of a cliff）。比喻到了危险的边缘及时清醒回头（desist from doing something before it is too late），可以翻译为“pull back before it is too late”。 例句： ...

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