eaves·drop /ˈiːvzdrɒp $ -drɑːp/ verb (eavesdropped, eavesdropping) [intransitiveI] LISTENto deliberately listen secretly to other people’s conversations 偷听,窃听 → overhear There was Helena eavesdropping outside the door. 海伦娜当时在门外偷听。
—eavesdropper noun [countableC]