a.

1. 微暗的；暗淡的
   The light is too dim for me to read.

   光线太暗，我无法看书。

2. 模糊的，朦胧的
   A dim sound came from the next room.

   从隔壁房间隐约传来声音。

3. （眼睛）模糊的，看不清楚的
   Her eyesight grew dim with age.

   她的视力因年岁的增长而变差了。

4. 【口】头脑迟钝的
   He is a bit dim about her sarcastic remarks.

   他不太领会她的挖苦话。

5. 悲观的，怀疑的

vt.

1. 使变暗淡；使变模糊
   The new economic policy dimmed the popularity of the president.

   新的经济政策使总统的声望下降。

vi.

1. 变暗淡；变模糊
   Her eyes dimmed with tears.

   她的眼睛被泪水弄模糊了。

adj.

1. (of a light or illuminated object) not shining brightly or clearly.
   ▸made difficult to see by darkness, shade, or distance.
   ▸(of the eyes) not able to see clearly.
2. not clearly recalled or formulated in the mind:
   dim memories.
3. informal stupid; unintelligent.

v.