How come my toy car doesn't work?

我的玩具车为什么发动不了了？

youdao

How come humans speak so many languages?

为什么人类会说这么多种语言？

youdao

How come the UK has been slow in imposing the tourist tax?

为什么英国在征收旅游税方面行动迟缓？

youdao

"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,".

VOA: standard.2009.03.12

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

Unidentified Child: How come he thinks he gets to decide who lives and who dies?

NPR: YouTube Emerges as Political Tool in Campaigns

Players and critics often respond simply: If you're so poor, how come you're so rich?

FORBES: Mets Co-Owner Throws Brushback Pitch

How come we know so little -- the public knows so little about this program?

WHITEHOUSE: Press Briefing