n.[C]

1. 长沙发；睡椅
   The sick child was lying on the couch in the living room.

   病孩躺在起居室的长椅上。

2. 【诗】床，卧榻
3. （心理病人接受治疗时躺的）沙发
4. （酿造）麦芽床

vt.

1. 使躺下[H]
2. 表达[H][（+in）]
   His criticism was couched in very tactful language.

   他的批评措辞很圆滑。

3. 端着（枪，矛等）准备进攻
4. （酿造）在麦芽床上铺上麦粒

vi.

1. 躺着
2. 蹲着；埋伏
   The deer couched.

   那只鹿蹲伏下来。

n.

v.

1. (usu. be couched in) express in language of a specified style.
2. literary lie down.
3. archaic lower (a spear) to the position for attack.
4. chiefly historical treat (a cataract) by pushing the lens of the eye downwards and backwards, out of line with the pupil.
5. (in embroidery) fix (a thread) to a fabric by stitching it down flat with another thread.

n.