a.

1. （目光）向下的，下垂的[Z]
   The little girl kept her eyes downcast when the headmaster talked to her.

   校長同小女孩談話時，她一雙眼睛始終低垂著。

2. 垂頭喪氣的，萎靡不振的
   Setbacks made him downcast.

   挫折使他沮喪。

n.[C]

1. 俯視的目光
2. 倒臺，推翻
3. 【礦】下風井

adj.

1. (of eyes) looking downwards.
2. feeling despondent.

n.