n.[C]

1. 泥坑，泥潭
2. 【喻】泥坑，绝境[（+of）]
   get oneself into a slough of self-pity

   陷入顾影自怜的泥沼

3. 道德上的堕落
4. 沼泽；河湾

n.[C]

1. 蛇蜕下的皮
2. 丢弃的事物（如恶习、偏见、破旧衣服等）
3. 【医】坏死组织，腐肉；腐痂

vt.

1. （蛇等）蜕（皮）；使脱落[（+off）]
2. 丢弃[（+off）]
   slough off old prejudices

   丢掉往日的成见

3. （桥牌中）垫（牌）；丢去

vi.

1. （蛇皮等）脱落[（+off）]
2. （蛇等）蜕皮
3. （坏死组织等）结痂脱落[（+off）]

n.

1. a swamp.
   ▸N. Amer. a muddy side channel or inlet.
2. a situation characterized by lack of progress or activity.

v.

1. (of an animal, especially a snake) cast off or shed (an old skin).
2. (slough away/down) (of soil or rock) collapse or slide into a hole or depression.

n.