couch

沙發、長沙發

He fell asleep on the couch while watching the game.

他看比賽時在沙發上睡著了。

診療躺椅多指心理治療用

The patient lay on the couch and talked about her childhood.

病人躺在診療躺椅上，談起自己的童年。

措辭、表達常用被動

The warning was couched in unusually polite language.

那份警告以異常客氣的措辭表達。