Translation of "Couch" in Chinese

I have a couch.

我有一個沙發。

I slept on the couch.

我在沙發上睡的。

Tom is asleep on the couch.

汤姆在长沙发上睡着了。

Mary sat cross-legged on the couch.

- 玛丽翘着二郎腿坐在沙发上。
- 玛丽盘着腿坐在沙发上。

- There is a TV remote control under the couch.
- The TV remote control is under the couch.

电视遥控器在沙发下面。

The TV remote control is under the couch.

电视遥控器在沙发下面。

A couch potato is something that I don't want to be.

我不想成為整天泡在沙發上看電視的人。

- Tom is in the living room, sleeping on the couch.
- Tom is in the living room, asleep on the couch.
- Tom is in the living room, asleep on the sofa.

汤姆在客厅，躺在长沙发上睡觉。

Whenever my wife's best friend comes over, they sit on the couch and dish for hours.

每次我老婆最好的朋友来家里的时候，她们都会坐在沙发上唠叨几个小时。