Definition

Examples

• 他怀疑房间里有监听器。
  Tā huáiyí fángjiān lǐ yǒu jiān.
  He suspects there is a listening device in the room.
• 警察在办公室里安装了监听器。
  Jǐngchá zài bàngōngshì lǐ ānzhuāng le jiān.
  The police installed a bug in the office.
• 这种监听器可以收集到很远的信号。
  Zhè zhǒng jiān kěyǐ shōují dào hěn yuǎn de xìnhào.
  This type of listening device can collect signals from very far away.