can

...can (could)always.

意：…只要想。就能 需要…就能…
例.Fortunately, I can always fall asleep as saon as I go to bed.
好在我一上床就能睡着。
His French was not perfect, but he could always make himself understood.
虽说他的法语不地道，可他一讲人家就能听明白。

Can I...?

意：我可以…吗?我能…吗?
例 .Can 1 have art application form, please?
给我一份申请表格，可以吗?
Can I park my car here?
我能把车停在这里吗?
Can I ask you a personal }uestivn?
我能问你一个私人问题吗?

That can't be bad,

用：表示赞扬、祝贺。
意：真不错!真有你的!干得不赖!
例.A: I've won second prize in the competition--a trip to Egypt!
比赛我赢了二等奖—去埃及旅行!
B: Well, that can't be bad, can it!
哇，真有你的!
A: My hook has been published!
我的书出版了!
B: Wow, that can't be bad, can it!
哇，真太棒了!