说不定的英文：
can't say for sure
maybe

参考例句：

Not improbably we'll win.
说不定我们会赢。

She may be idle for aught I know
她或许闲着也说不定。

You probably have a few skeletons in your own closet.
你说不定也有一些难以启齿的秘密吧。

Such a marriage might mar your career.
这样的婚姻说不定会毁了你的一生。

For aught we know, other parts of the cosmos may contain beings as superior to our selves as we are to jelly-fish
说不定宇宙中其他地方还有一些生物，他们优越于我们的程度不亚于我们优越于水母的程度。

What if they're adopted?
说不定他们是被收养的？

I suppose it might be gold.
说不定是金子啊

Tom might get off the hook
汤姆说不定可以脱身。

Take your skates in case you decide to go skating.
把溜冰鞋带去，说不定你们要溜冰呢。

Sont wud he mout go off wid de sojers.
说不定他跟那些大兵一起走了。

can是什么意思：
v. 能够，可以（情态动词）
n. 罐头；容器
v. 把（食品等）装罐保存

Canning Canning Beef can be satisfactorily preserved by canning if the proper procedures are used.
装罐如果装罐步骤正确,牛肉可很好地保存起来。

Dark thoughts can be softened when they can not be brightened.
阴郁的思绪在无法变得快活的时候可以获得安抚。

He that can have patience can have what he will.
唯坚忍者始能遂其意志。

say是什么意思：
v. 说，讲；讲述，说明；表明；认为，声称
n. 要说的话，意见

To say this is worthwhile.||It is worthwhile to say this.
这话值得说。

He popped in to say hello.
他匆匆进来说声你好。

As they say, honesty is the best policy.
常言道，诚实是最佳策略。

sure是什么意思：
adj. 确信的，一定的，确实的
adv. 的确，一定，当然

brassard: "Sure, sure."
布拉萨尔:“当然，当然。”

Make sure you get there in time.
一定要准时到达那里。

Be sure not to let the truth slip.
千万别把真相泄漏出去。