副詞 unawares:

1. without forethought or plan; inadvertently
2. suddenly and unexpectedly- A.Lincoln
3. at a disadvantage
   同義詞：short

1. He must have left it somewhere unawares.
   他一定是不小心把它遺忘在什麼地方了。
2. You caught us unawares by coming so early.
   你來(lái)得這麼早，我們都很驚訝。
3. She came upon him unawares as he was searching her room.
   她撞見(jiàn)他正在搜查她的房間。
4. I must have dropped my keys unawares.
   我準(zhǔn)是不留神把鑰匙丟了。