自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADJ-GRADED 确信的;确知的;肯定的;有把握的 If you are sure that something is true, you are certain that it is true. If you are not sure about something, you do not know for certain what the true situation is.
He'd never been in a class before and he was not even sure that he should have been teaching...
The president has never been sure which direction he wanted to go in on this issue...
ADJ 一定的;必定的;无疑的;确保的 If someone is sure of getting something, they will definitely get it or they think they will definitely get it.
A lot of people think that it's better to pay for their education so that they can be sure of getting quality...
It is the self-assurance of the new generation which makes them sure of their success.
PHR-MODAL (事情的发生)一定，必然 If you say that something is sure to happen, you are emphasizing your belief that it will happen.
With over 80 beaches to choose from, you are sure to find a place to lay your towel...
有 80 多个海滩可供选择，你一定能找到一处满意的。
Anyone who goes food shopping without a list is sure to forget the things they really need.
ADJ-GRADED 不容置疑的;确切的;可靠的;保险的 Sure is used to emphasize that something such as a sign or ability is reliable or accurate.
Sharpe's leg and shoulder began to ache, a sure sign of rain...
She has a sure grasp of social issues such as literacy, poverty and child care.
ADJ-GRADED 一定的;务必的 If you tell someone to be sure to do something, you mean that they must not forget to do it.
Be sure to read about how mozzarella is made, on page 65...
务必看看莫泽雷勒干酪是怎么制成的，在第 65 页。
Be sure you get your daily quota of calcium.
CONVENTION 是的;当然;没问题 Sure is an informal way of saying 'yes' or 'all right'.
'He rang you?' — 'Sure. Last night.'...
'I'd like to be alone, O.K?' — 'Sure. O.K.'...
ADV 确实;的确 You can use sure in order to emphasize what you are saying.
'Has the whole world just gone crazy?' — 'Sure looks that way, doesn't it.'
It sure is hot, he thought.
PHRASE 果真，果然(尤用在讲故事时) You say sure enough, especially when telling a story, to confirm that something was really true or was actually happening.
We found the English treacle pudding too good to resist. Sure enough, it was delicious...
I was in a shop when I saw a lady looking carefully at me. She'd recognised me, and sure enough, she came across.
PHRASE 无疑;肯定 If you say that something is for sure or that you know it for sure, you mean that it is definitely true.
One thing's for sure, Astbury's vocal style hasn't changed much over the years...
Even to this day we don't know what happened for sure.
PHRASE 一定要;设法保证 If you make sure that something is done, you take action so that it is done.
Make sure that you follow the instructions carefully...
He wants to make sure that schools are committed to providing alternative education.
PHRASE 查明;核实;弄清 If you make sure that something is the way that you want or expect it to be, you check that it is that way.
He looked in the bathroom to make sure that he was alone...
Before you cut the cloth, make sure that the pattern matches up on both edges.
PHRASE 当然之事;必然之事 If you say that something is a sure thing, you mean that you are certain that it will happen or be successful.
This proposal is by no means a sure thing.
CONVENTION 当然，一定(表示同意) You say 'sure thing' to show that you agree with someone or will do as they say.
'Be careful!' — 'Sure thing, Dad. So long.'
PHRASE (承认属实)诚然，固然，无可否认 You use to be sure when you are admitting that something is true, although it seems to contradict a more general statement that you are making.
Parents make the rules. To be sure, many of the rules are no longer appropriate today.
PHRASE 自信;确信 If you are sure of yourself, you are very confident about your own abilities or opinions.
I'd never seen him like this, so sure of himself, so in command.