警方怀疑罪犯在通话中透露了计划，因此秘密监听了他的电话。

The police suspected the criminal revealed his plans during calls, so they secretly ___wire-tapped his phone.

警方获得了法院许可，秘密监听嫌疑人的手机通话。

The police got court approval to ___wiretap the suspect's cellphone calls.