How to pronounce 聽電話 in Cantonese (2 out of 4):

聽電話
Listen to the phone.

Cantonese Sentence Breakdown

nei5
you (informal, as opposed to courteous 您nín [您])
can be used to refer to an unspecified person
聽電話 teng1 din6 waa2
to pick up a call; to talk on the phone
baa6
(modal particle indicating suggestion or surmise)
...right?
...OK?
...I presume