on earth

副词 on earth:

1. used with question words to convey surprise

1. What on earth is that?
   这到底是什么?
2. This is a market condition no force on earth can change.
   这一市场情况任何力量也改变不了。
3. Who on earth is that female he's with?
   跟他在一起的那个女人究竟是谁?
4. What on earth do you mean?
   你到底是什么意思?
5. What on earth will he get up to next?
   下一步他究竟要耍什麽花样?
6. How on earth did you know it?
   你到底是怎么知道的？
7. Who on earth told you that?
   那件事究竟是谁告诉你的？
8. Why on earth didn't you tell me the truth?
   你到底为什么不跟我说实话？