sure
1. sure作副词,表示“当然,的确”,相当于certainly / of course。如:
—Can I borrow these magazines?
我能借这些杂志吗?
—Sure / Certainly / Of course. 当然可以。
2. sure作形容词,常用于以下结构:be sure to do sth.表示说话人确信某人……,以及be sure of / that ...表示某人确信自己……。如:
He is sure to succeed.
他一定会成功。(说话人确信)