I'm sure tomorrow

确信───Sure;明天───tomorrow

I only came to make sure that everything was all right.───我只是来弄清楚是否一切都无问题.

I would like to do it with you, but I am not sure whether my parents permit.───我愿意和你一起做, 但不知我父母是否允许.

He might get here in time, but I can't be sure.───他可能及时来到这里, 不过我不能确定.

Make sure you back up the disk before you turn the computer off.───一定要先复制磁盘,然后再关电脑.

a movie that is sure to bridge the generation gap───肯定能弥合代沟的一部电影

You don't sound very sure.───听你这口气，你自己也不大肯定。

I'm sure I could buy this more cheaply somewhere else.───我相信我能在别的地方更便宜地买到这种物品。

There's something odd about the way that fellow is behaving . I am sure he's up to no good.───那个人形迹可疑,肯定要做坏事.

He who fears being conquered is sure of defeat.Napoleon Bonaparte

Heaven’s vengeance is slow but sure.

Ill weeds are sure to thrive.

A clear conscience is a sure card.

Are you sure you can do it?