a.

1. 軟弱無力的，倦怠的
   The illness made him feel languid.

   疾病使他感到倦怠乏力。

2. 不感興趣的，沒精打采的
3. 無生氣的；呆滯的；遲緩的

adj.

1. having or showing a disinclination for physical exertion.
2. weak or faint from illness or fatigue.