wiretapping /ˈwajɚˌtæpɪŋ/ noun
wiretapping
/ˈwajɚˌtæpɪŋ/
noun
Learner's definition of WIRETAPPING
[noncount]
: the act of secretly placing a microphone inside a telephone in order to hear and record private conversations电话窃听 — called also (British) phone tapping