can't wait to do

迫不及待做某事

can't help doing

情不自禁做某事

beggars can't be choosers

要饭就不能嫌馊；给什么就得要什么

you can't keep a good man down

有志者事竟成；决心大的人终有出头之日

can't be doing with

不愿忍受；对…感到烦心

can't be bothered to do something

不愿找麻烦；不想出力

can't be bothered

不愿找麻烦；不想出力

you can't make a silk purse out of a sow's ear

劣材难成器

you can't keep a good woman down

有能力的人不会被挫折或困难压垮

I can't blame you

我不会责怪你，我表示理解

you can't get a quart into a pint pot

不要异想天开

one can't make an omelette without breaking eggs

有得必有失

one can't win

无论怎样做都不能成功

you can't have your cake and eat it

两者不可兼得

a leopard can't change his spots

本性难移

if you can't beat them, join them

若不能战胜之；就与之合作

you can't make bricks without straw

巧妇难为无米之炊

you can't teach an old dog new tricks

没法让老狗学新把戏；很难让人们改变他们的方式

you can't win win some

你可能有赢有输

you can't judge a book by its cover

人不可貌相；海水不可斗量

you can't have your cake and eat it too

两者不可兼得

you can't talk

你还有脸说

you can't lose

包赚；包你得益

I can't blame her

我不会责怪她，我表示理解

you can't put an old head on young shoulders

你不能指望年轻人有老人的头脑

you can't win them all

你不可能总赢

can't be bad

(劝导时说)没有什么不好

you can't make an omelette without breaking eggs

不打破鸡蛋就做不成蛋饼；不花代价就难成大事

you can't compare apples and oranges

(因两样事物完全不同)不具可比性, 不能相提并论；不可同日而语