how come

基本解释

How come I never see more than one?
为什么我从来没看过多于一个呢？
How come some people can stick with it and others not?
为什么有的人可以坚持，有的人却不可以。
How come no one knew he was here and why did they bury him so quickly? This is all fake — a drama, and a crude one.
怎么会没人知道他在这儿，为什么他们这么快就把他埋了?都是假的——就是一场戏，还是漏洞百出的。

"We don't understand how come a mediator who was supposed to defend the cause of democracy will help us to embrace something we've been fighting for nine months, thinking that we were willing or keen to accept a token of gratitude from the general,".
And that is how come he got involved in this, obviously this is talking about crystal formation.
这也是为什么他会出现在这里，结晶学就是研究晶体的形成。
麻省理工公开课 - 固态化学导论课程节选
You see they had to explain to themselves as well as the audience, ?" "how come this lecture is larger than the Introduction to Economics?"
因为他们要说服自己，说服观众，“这门课怎么会比经济学导论跟热门“
哈佛公开课 - 幸福课课程节选

But the abusers are also your children, how come no one is yelling about that?
FORBES: Vladimir Putin and the Paradox of Power