oohyoudaoicibaDictYouDict[ooh 词源字典]
exclamation of pain, surprise, wonder, etc., 1916. Combined with aah from 1953. Ooh-la-la, exclamation of surprise or appreciation, is attested 1924, from French and suggestive of the supposed raciness of the French.[ooh etymology, ooh origin, 英语词源]