surely
/ˈʃɔ:lɪ; ?@ ˈʃuərlɪ; `ʃʊrlɪ/ adv
1 without doubt; certainly 无疑; 当然
He will surely fail. 他必定失败.
This will surely cause problems. 这肯定会出问题的.
2 (used to show that the speaker is (almost) certain of what he is saying, or to express surprise at sth 用以表示说话者对所说的内容（几乎）确信无疑, 或表示对某事物感到惊奇)
This is surely her best play. 这无疑是她最好的剧作.
Surely I've met you before somewhere. 我一定在什麽地方和你见过面.
Surely they won't refuse? 难道他们不拒绝吗?
Surely you're not going to eat that! 好家伙, 你不至於吃那种东西吧!
He has refused to help? Surely not! 他已拒绝给予援助了吗? 决不可能!
`That's his wife.' `His sister, surely?' ｀那是他的妻子.＇｀是他妹妹吧?＇
3 (infml 口 esp US) of course; yes 当然; 可以
`Can I borrow your car?' `Surely.' ｀我用一下你的汽车可以吗?＇｀当然可以.＇
4 (idm 习语) slowly but surely => slowly (slow1).