n.

1. 心情，心境，情绪[C][+to-v]
   I am not in the mood to argue.

   我没有心情争辩。

   That evening he was in an unusual light-hearted mood.

   那晚他的心情异常轻松。

2. 心情不好，生气[C]
   She was in a bit of a mood this morning.

   今天早晨她情绪欠佳。

3. 喜怒无常[P]
   He is a man of moods.

   他是一个喜怒无常的人。

4. 基调，色调；气氛[C]
   The mood of the music was almost funereal.

   音乐的调子几乎像哀乐。

   A mood of optimism pervaded the gathering.

   会上充满乐观的气氛。

n.

1. 【语】语气[C]
   In this sentence the verb is in the subjunctive mood.

   在这个句子里，动词用的是虚拟语气。

n.

1. a state of mind or feeling.
   ▸an angry, irritable, or sullen state of mind.
2. the atmosphere or pervading tone of something.
3. [as modifier] inducing or suggestive of a particular mood:
   mood music.

n.

1. Grammar  a form or category of a verb expressing fact (indicative mood), command (imperative mood), question (interrogative mood), wish (optative mood), or conditionality (subjunctive mood).
2. Logic  any of the valid forms into which each of the figures of a categorical syllogism may occur.