听觉 Hearing

be all ears 倾听

eavesdrop/overhear 偷听

hear about 听到关于……

hear from 收到来信

I hear that …听说，风闻

It is rumoured that 据谣传……

listen carefully/strain one's ears to hear 洗耳恭听

listen for 等着听

listen in to/on 收听（广播）

prick one's ears 侧耳听，竖起耳朵听

tap [t?p] 窃听