相关单词同义词only, unknowingly, 近义词 unwittingly 不知不觉地, by surprise 突然(冷不防..., off guard 不警戒， 不警惕, ，不提..., unexpectedly 未料到地, on the hop 到处奔忙(出其不意)..., short 短的临近词unaware相似词unavailing, unavoidable, unaware, unawareness, unbalance, unbalanced, unbearable, unbeatable, 返回 unawares