sacre bleu (interj.)youdaoicibaDictYouDict[sacre bleu 词源字典]
stereotypical French oath, 1869, from French sacré bleu, literally "holy blue," a euphemism for sacré Dieu (1768), "holy God." From Old French sacrer, from Latin sacrare (see sacred).[sacre bleu etymology, sacre bleu origin, 英语词源]