The noun 沙发 (shāfā) means "sofa" or "couch" and is a loanword from English. It refers to a piece of upholstered furniture used for sitting in a living room or lounge.
我刚买了一个新沙发,特别舒服。
wǒ gāng mǎi le yí gè xīn shāfā, tèbié shūfu.
I just bought a new sofa; it's especially comfortable.
猫咪最喜欢躺在沙发上晒太阳。
māomī zuì xǐhuān tǎng zài shāfā shàng shài tàiyáng.
The cat loves lying on the sofa and sunbathing.
这个沙发太大了,客厅放不下。
zhège shāfā tài dà le, kètīng fàng bú xià.
This sofa is too big; the living room can't fit it.