Can do sth
可以───sure;做───do
I'm sure we'll manage without.───我相信我们能凑合的。
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。
Are you sure you want him as your partner for life?───你决定要他做你的终生伴侣 吗 ?
It has started to shower; I'm sure to get wet.───天已开始下阵雨, 我一定会被淋湿.
She's been very depressed recently, but I'm sure she'll soon pull out of it.───她近来一直很抑郁, 但我相信不久她就会振作起来的.
He is experienced and works with a sure hand.───他办事很老练.
We are sure you dare not.───我们断定你们是不敢的.
The doctor is sure to pull her through.───医生一定能使她康复.
I'm not sure. Maybe. --It's possible.
I'm sure he'll come with a bit of persuading.
Are you sure these documents belong together?
I'm sure he needs no introduction.
A clear conscience is a sure card.