n.

1. 低头垂肩的姿势；没精打采的姿态；懒散的样子[the S]
2. （帽边的）下垂，耷拉[the S]
3. 【美】笨拙的人；懒散的人[C]
4. 【口】（常与否定词连用）无能的人[C]
   He is certainly no slouch in the kitchen.

   他在厨房干活挺麻利。

vi.

1. 没精打采地站（坐或走）
   slouch back in one's seat

   没精打采靠在座位上

2. 下垂，耷拉

vt.

1. 使低垂，使下垂

v.

1. stand, move, or sit in a lazy, drooping way.
2. dated bend one side of the brim of (a hat) downwards.

n.

1. a lazy, drooping posture or movement.
2. [usu. with neg.] informal an incompetent person:
   he was no slouch at making a buck.
3. a downward bend of a hat brim.