监听 | jiān tīng | to monitor / to listen in / to eavesdrop | |
窃听 | qiè tīng | to eavesdrop / to wiretap | |
偷听 | tōu tīng | to eavesdrop / to monitor (secretly) | |
侦听 | zhēn tīng | to eavesdrop / to tap (telephone conversations) / to intercept and investigate | |
听墙根 | tīng qiáng gēn | to eavesdrop / to listen in secret to sb's conversations |