我听不懂你。

I can't understand what you're saying.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
=2 听不懂 tīngbudǒng unable to make sense of what one is hearing
=2 听不懂 tīngbùdǒng to not understand (when listening)
=3 你 nǐ you (informal, as opposed to courteous 您 nín)
=3 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.)