sure
形容词 adj.
1.无疑的,确信的,有把握的
I shall certainly be present at the meeting,but I am not sure about my wife.
我肯定会出席会议,但是至于我的妻子去不去我就不敢说了.
Not being sure of the word,he turned it up in the dictionary.
他对那个词没有把握,于是就查字典.
As we have been practising regularly,we are sure of winning the game this time.
因为我们一直在训练,所以这次比赛有把握赢.
I am not sure of what he has said at the meeting.
他在会上说了些什么我不太清楚.
I'm sure that she will like this book.
我确信她喜欢这本书.
I'm not quite sure where he is.
我不能确定他在哪儿.
2.肯定要做某事的; 一定做某事的
He is sure to be back soon.
他不久一定会回来.
3.一定,必定,无疑（会做或会发生）
4.不容置疑的；确切的；可靠的；保险的
5.沉着自信的；胸有成竹的
副词 adv.
1.的确,当然
It sure was cold.
确实很冷!
2.（加强语气）确实,的确
3.（回答他人的感谢）不用客气,应该的
4.（表示同意）当然