窃听

竊聽
qiètīng
  1. to eavesdrop
  2. to wiretap

CEDICT

  1. (specifically) to wiretap; to tap
  2. to eavesdrop
  3. to wiretap; to tap

Wiktionary

暗中偷听。

重編國語辭典

Entry Composition

1 窃 qiè
  1. to steal
  2. secretly
  3. (humble) I
2 听 tīng
  1. to listen to; to hear
  2. to heed; to obey
  3. a can (loanword from English "tin")
  4. classifier for canned beverages
  5. to let be; to allow (Taiwan pr. tìng)
  6. (literary) to administer; to deal with (Taiwan pr. tìng)

Containing this entry

窃听器 qiètīngqì
  1. tapping device
  2. bug

Related entries

侦听 zhēntīng
  1. to eavesdrop
  2. to tap (telephone conversations)
  3. to intercept and investigate
偷听 tōutīng
  1. to eavesdrop
  2. to monitor (secretly)
我沒想偷聽的。

I didn't mean to eavesdrop.

Source: Tatoeba

听墙根 tīngqiánggēn
  1. to eavesdrop
  2. to listen in secret to sb's conversations