sure-enough（adj.） 英 ['ʃʊərɪ'nʌf] 美 ['ʃʊrɪ'nʌf] "genuine, real," mainly emphatic, by 1803, U.S. colloquial, from the phrase sure enough "most certainly" (1540s); see sure (adj.) + enough.该词起源时间：1803年
