你到底在談什麼?

What on earth are you talking about?

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 到底 dàodǐ
  1. finally
  2. in the end
  3. when all is said and done
  4. after all
  5. to the end
  6. to the last
3 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
=4 談 Tán surname Tan
=4 談 tán
  1. to speak
  2. to talk
  3. to converse
  4. to chat
  5. to discuss
5 什麼 shénme
  1. what?
  2. something; anything