a.

1. 灰色的；偏灰的
   His hair is gray.

   他頭髮灰白。

2. 灰白頭髮的[F]
   He was already gray at 30.

   他三十歲時頭髮就已經灰白了。

3. （指臉因恐懼，生病等）蒼白的
   He was still looking gray and very tired.

   他看上去仍然面色蒼白，疲憊不堪。

4. 陰暗的；陰鬱的
   It was a gray day.

   那是個陰天。

n.

1. 灰色[C][U]
2. 灰色顏料；灰色衣服[U]
   They were dressed in gray.

   他們穿著灰色衣服。

3. 暗淡的光線[U]

vt.

1. 使成灰色（或灰白）[（+with）]
   Sorrow has grayed his head.

   憂傷使他頭髮變得灰白。

vi.

1. 成為灰色（或灰白）
   He's graying at the temples.

   他兩鬢的頭髮正在變得花白。

n.

adj.