Taivo A Taiwan Mandarin dictionary

偵聽

zhēntīng

ㄓㄣ ㄊㄧㄥ

Simplified 侦听

  1. 1to eavesdrop
  2. 2to tap (telephone conversations)
  3. 3to intercept and investigate

Keep 偵聽 and it comes back until you know it.

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