名詞 moody:

1. United States tennis player who dominated women's tennis in the 1920s and 1930s (born in 1906)
   同義詞：Helen Wills Moody, Helen Wills, Helen Newington Wills
2. United States evangelist (1837-1899)
   同義詞：Dwight Lyman Moody

形容詞 moody:

1. showing a brooding ill humor
   同義詞：dark, dour, glowering, glum, morose, saturnine, sour, sullen
2. subject to sharply varying moods
   同義詞：temperamental

1. It is difficult to predict his reaction because he is so moody.
   他如此喜怒無常，所以很難預(yù)知其反應(yīng)如何。
2. He is moody and unpredictable.
   他喜怒無常而又捉摸不定。
3. I am moody at the hospital.
   我在醫(yī)院里心情不好。

mood.y

adj.（形容詞）
mood.i.er,mood.i.est
Given to frequent changes of mood; temperamental.
易于頻繁改變脾氣的；喜怒無常的
Subject to periods of depression; sulky.
一段時期內(nèi)郁悶的；抑郁的
Expressive of a mood, especially a sullen or gloomy mood:
悶悶不樂的：一種心情的體現(xiàn)形式，尤指憂郁的或郁悶的心情：
例句：
a moody silence.
郁悶的沉默

【引伸】
mood.ily
adv.（副詞）
mood.iness
n.（名詞）