I don't see how you can... 我不明白你怎么能......

I don't see how you can…… 是"我不明白你怎么能..."的意思.具体用法详见以下例句:

A:I don't see how you can handle so many different jobs at once!
我不知道你怎么能同时做这么多份不同的工作!
B:I don't see how you can stand doing the same job all the time!
我则不明白你怎么能忍受一直做同一份工作!

A:I saw on the news that around 9,000 students got a "0" on the English exam!
我在电视新闻上看到,大约有九千个学生英文考试抱了个大鸭蛋.
B:I don't see how they can get a zero on an English exam.
真不知道这些人英文怎么能考零分?
A:Are you kidding? English grammar is so hard! Not to mention the spelling!
你开什么玩笑?英文文法那么难!更别提拼字了.