我不知道您在說什麼。

I don't know what you're talking about.

Source: Tatoeba

Sentence Composition

1 我不知道 wǒbùzhīdào I don't know.
2 您 nín you (courteous, as opposed to informal 你 nǐ)
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 說 shuì to persuade
=4 說 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=4 說 yuè
  1. (obsolete on its own in Standard Chinese) alternative form of 悅 /悦 (yuè, “happy; delighted”)
  2. alternative form of 悅 /悦 (yuè, “happy; delighted”)
=4 說 tuō
  1. (obsolete on its own in Standard Chinese) alternative form of 脫 /脱 (“to free; to relieve”)
  2. alternative form of 脫 /脱 (“to free; to relieve”)
5 什麼 shénme
  1. what?
  2. something; anything