a-ha(interj.) 也 aha,表示惊讶或发现的欣喜的感叹词,14世纪晚期,来自 ah + ha。This seely widewe and hire doughtres two ... cryden out "harrow!" and "weloway! A ha! þe fox!" and after him they ran [Chaucer]这个可怜的寡妇和她的两个女儿...喊叫着“哈罗!”和“威洛维!啊哈!狐狸!”然后他们追赶着他 [乔叟]该词起源时间:14世纪末