be sure指某人對某事或?qū)δ撤N情況有把握，常譯為：“確信”；make sure指“務(wù)必、務(wù)請、確?！睂⒛呈屡宄?。如：二者后面均可接of或about引出的短語。I am sure of success= I am sure that I will succeed.我深信會成功。make sure后面的that從句一般不用或很少用將來時(shí)；be sure后面的that從句則可用將來時(shí)。

拓展

sure的習(xí)慣搭配

be sure to do sth

一定要，務(wù)必（去做某事）

Be sure to give your family my regards.

務(wù)必代我向你的家人問好。

for sure

(informal) 無疑；肯定

No one knows for sure what happened.

誰也不知道究竟發(fā)生了什么事。

sure of yourself

(sometimes disapproving) 自信；自以為是

She seems very sure of herself.

她好像十分自信。

sure thing

（答應(yīng)建議或要求）當(dāng)然，一定

‘Are you coming?’ ‘Sure thing.’

“你來嗎？”“當(dāng)然?！?/p>

to be sure

（承認(rèn)屬實(shí)）誠然，固然，無可否認(rèn)

He is intelligent, to be sure, but he's also very lazy.

他固然聰明，但也很懶。

make sure (of sth/that…)

1-確保；設(shè)法保證

Make sure (that) no one finds out about this.

絕對不要讓任何人發(fā)覺這件事。

They scored another goal and made sure of victory.

他們又進(jìn)了一個球，這就贏定了。

Our staff will do their best to make sure you enjoy your visit.

我們的人員會竭盡全力使您訪問愉快。

2-查明，核實(shí)，弄清（某事屬實(shí)或已做）

She looked around to make sure that she was alone.

她往四下里看看，是不是只有她一個人。

I think the door's locked, but I'll just go and make sure.

我覺得門已經(jīng)鎖上了，不過我還是去看看好放心。

(as) sure as eggs is eggs

千真萬確；的的確確

sure enough

（表示不出所料）果真，果然

I said he'd forget, and sure enough he did.

我說他會忘記，他果然就忘了。