干吗的英文：
[Informal] why on earth; whatever for

参考例句：
  • Why not try the oyster stew?
    干吗不试试炖牡蛎
  • Must your brother tag along with us everywhere we go
    你兄弟干吗总紧跟着我们?
  • I can't make it out why should you get it out on the kids at the drop of a hat
    我真不理解你干吗动不动就拿孩子们出气呢?
  • Why not come along?
    你干吗不一起去?
  • Why did she have a tilt at him at the meeting?
    她干吗在会上攻击他?
  • Must your brother tag along with us everywhere we go?
    你兄弟干吗总紧跟着我们？
  • Would you like some waffles?
    你想要一些华夫饼干吗？
  • What are you stretching your neck for?Can't you see well?
    你干吗伸长脖子？你看不见吗?
  • I really do not know why they shall be shouting like this.
    我真不知道他们干吗要这样大喊大叫。
  • Why the hell don't they stop shouting?
    他们究竟干吗不停止叫喊？
informal是什么意思：
adj. 非正式的；口语体的，通俗的；不拘礼节的
  • Informed judgement.
    有事实根据的判断。
  • This is an informal expression.
    这是一种非正式表达法。
  • This is an informal word.
    这是一种口语用语。
why是什么意思：
adv. （用作疑问副词）为什么，（用做关系副词）为什么
n. 原因，理由
int. 咦，哎呀，哦，当然，唔
  • Why are you in such a hurry?
    你为什么这样急呢?
  • Is this why the Yen is so strong?
    这是日元如此强劲的原因吗？
  • Why, I was fast asleep.
    怎么，我睡得很熟的呀。
earth是什么意思：
n. 地球，世界，陆地，地面，土；兽穴
v. 把（电线）接地；埋入土中；躲入洞内
  • This is paradise on earth.
    这是世上的极乐。
  • pit in the earth
    地下的洞穴
  • to earth a body
    埋葬一具尸体

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