瞧你身後。

Look behind you.

Source: Tatoeba

Sentence Composition

1 瞧 qiáo
  1. to look at
  2. to see
  3. to see (a doctor)
  4. to visit
=2 你 nǐ you (informal, as opposed to courteous 您 nín)
=2 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.)
3 身後 shēnhòu
  1. the time after one's death
  2. a place behind sb
  3. (fig.) one's social background