Cannot (one word) is the most common expansion of the contraction can't. cannot(一个单词)是缩写can't的展开形式。 Can't can also be expanded to can not (i.e., two words), but this is less common and usually ...

A man can't ride your back unless it is bent. Cannot...too/enough...，这个结构的意思不是“不能……太……”，而应理解为"再…也不过分 ...