unawaresWiktionary 原文中文来自 ECDICTadv.出其不意地，没想到，不料，不知不觉地构词拆分unaware词根/词干+-s后缀Used to form regular plurals of nouns. · Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).词源说明From unaware + -s (adverbial suffix). Attested earlier than unaware.释义（英文）副词 AdverbUnexpectedly or by surprise.Inadvertently.Without plan or forethought.词族相关词（3）at unawaresunawareunawarely