unawaresadv.
英 ʌnə'weəz | 美 ,ʌnə'wɛrz
中文adv. 不知不觉地；出其不意地；不料
词根词源
unawares (adv.)1530s, "without being aware," from un- (1) "not" + aware + adverbial genitive -s. Meaning "without being noticed" is recorded from 1660s. Form unaware is recorded from 1590s.
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