例句：
Did it hurt? Sure it hurt.
疼不疼？当然疼了。
'May I ask you something?' — 'Sure. Fire away.'
“我可以问你一个问题吗？”——“当然可以。尽管问吧。”
There's only one sure way to do it.
做这件事只有一个保险的办法。
I'm sure you'll get there in the end.
我相信你最终会成功的。
Make sure you get a good look at their faces.
你一定要仔细看清他们的面孔。