| 正面 | 159.why 英 [waɪ]美 [waɪ]     |
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| 背面 |      释义： 1. alt- => ald => old.2. => grown tall. => grown old, grown up, adult.int. 哎呀！什么？adv. 为什么 例句： 1. You flatter yourself. Why would we go to such ludicrous lengths?你真自以为是。我们为什么要费那么大的力气？ why 为什么来自PIE*kwo,印欧语疑问代词根，词源同who,where,why,how. whywhy: [OE] Why goes back to Indo-European *qwei, the locative case of the interrogative base *qwo- (source of English what and who). This passed into prehistoric Germanic as *khwī, which has since died out in all the Germanic languages apart from Danish (hvi) and English (why).why (adv.)Old English hwi, instrumental case (indicating for what purpose or by what means) of hwæt (see what), from Proto-Germanic adverb *hwi (cognates: Old Saxon hwi, Old Norse hvi), from PIE *kwi- (source of Greek pei "where"), locative of *kwo- "who" (see who). As an interjection of surprise or emphasis, recorded from 1510s. As a noun, "cause, reason" from c. 1300." |