a fit of

a fit of的音标是[ə "fɪt ɒv]，基本翻译是“一阵，一场；一阵发作”，速记技巧是“fit发作一次”。

a fit of 的英文词源为：

fit：原意为突然发作，现在通常指身体上的突然不适或疾病。

of：表示“……的”

相关单词及其变化形式：

1. fitness：n. 健康，体质；适合；适意。来源于fit的名词形式。

2. unfit：adj. 不适合的；不健全的；不合格的。来源于fit的反义词un-。

3. fitful：adj. 间歇性的；断断续续的。来源于fit的形容词形式。

4. fits：n. 发作；一阵；一阵发作。来源于fit的名词形式，现在通常指身体上的突然不适或疾病。

5. fittest：adj. 最适合的；最能适应的。来源于fit的形容词形式，现在通常指在竞争中胜出的最优秀的。

6. fitter：n. 安装工人；试验室工人；试车工。来源于fit的名词形式，现在通常指从事安装或试验工作的人。

7. unfitness：n. 不健康；不适合；不合格。来源于fitness的反义词un-和名词形式组合而成。

8. fits of：n. 一阵一阵的；一阵一阵地。来源于fit的名词形式和of的组合，现在通常指身体上的突然不适或疾病的一阵一阵发作。

9. fits of temper：n. 发脾气；暴怒发作。来源于fit的名词形式和temper（脾气）组合而成，现在通常指脾气的一阵发作。

10. fits of coughing：n. 咳嗽发作；咳嗽一阵阵。来源于fit的名词形式和coughing（咳嗽）组合而成，现在通常指咳嗽的一阵发作。

以上单词的变化形式和相关用法都与a fit of有密切关系，它们在英语中都有广泛的应用和演变，反映了英语语言的发展和演变过程。

常用短语：

1. a fit of temper 爆发脾气

2. a fit of depression 情绪低落

3. a fit of excitement 激动一阵

4. a fit of kindness 善心发作

5. a fit of laughing 笑一阵

6. a fit of crying 哭一阵

7. a fit of sulking 生气一阵

例句：

1. He had a fit of temper when he found his homework was stolen.

2. She had a fit of depression after she failed the exam.

3. The children were all laughing after a fit of excitement at the party.

4. He was kind enough to help the old man with a fit of kindness.

5. She burst into tears after a fit of crying over her lost love.

6. He sulked in silence for a while after being scolded by his parents.

英文小作文：

Today I had a bad headache and felt dizzy all day. I couldn"t concentrate on my work and fell into a fit of depression. After a while, my friend came to comfort me and we had a chat about our problems. It was such a nice moment and I felt much better after that. Sometimes we need someone to talk to and share our feelings, especially when we are feeling down. It"s important to have someone who understands us and can help us get through difficult times.