couch potato
noun/ˈkaʊtʃ pəteɪtəʊ/
/ˈkaʊtʃ pəteɪtəʊ/
(informal, disapproving)- a person who spends a lot of time sitting and watching television
老泡在电视机前的人 - He's turned into a real couch potato since he subscribed to the sports channel.
他订购了体育频道后，变成了十足的电视迷。
- He's turned into a real couch potato since he subscribed to the sports channel.