adv.无疑;一定,确实;(回答)当然,好;保管;
例句:
He knew that if help did not arrive soon they would surely die.
他知道,如果救援不能及早赶到,他们必死无疑。
Surely you don't think I was responsible for this?
你一定不会以为出了这事是我的责任吧?
Surely we should do something about it?
我们总得想个办法吧?