He is sure to come.; He will surely come.

他一定会来。

《新英汉大辞典》

Tony is sure he can pull a few strings and get you in.

托尼确信他能动用一些关系把你弄进来。

《柯林斯英汉双解大词典》

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

他固然聪明，但也很懒。

《牛津词典》

He must be the stupidestson of a bitch alive, but he sure is fast.

VOA: standard.other

because he viewed his first responsibility was to make sure the country is as safe as possibly can be.

因为他认为自己的首要任务是,让国家尽可能地,处在安全之中。

普林斯顿公开课 - 国际座谈会课程节选

I'm sure he is coming.

我肯定他会来。

I'm sure 实战 - SpeakingMax英语口语达人

The funny man is used to generating laughter, and he sure is no stranger to showing off his man muscles.

FORBES: 'Expendables' stars at NYSE, bulging muscles everywhere

But the mayor says he still needs emergency credit to stay afloat, and he is sure Moratalla is not the only town in trouble.

BBC: Residents of a bankrupt Spanish town feel cuts pain

He has no idea what terrible fate awaits him if he is discovered, but he is sure that they will not let him leave the town alive.

NEWYORKER: Town of Cats