牆上有耳。

The walls have ears.

Source: Tatoeba

Sentence Composition

1 牆 qiáng (slang) to block (a website) (usu. in the passive: 被墙 bèiqiáng)

classifiers: 面, 堵
=2 上 shǎng used in 上声 shǎngshēng
=2 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above
=3 有 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒuyì intentional)
=3 有 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “again”)
  2. (obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”)
  3. alternative form of 又 (yòu, “again”)
  4. alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”)
4 耳 ěr
  1. ear
  2. handle (archaeology)
  3. and that is all (Classical Chinese)