fourth的音標是[?f??θ]，基本翻譯是第四，速記技巧是：/θ/發濁輔音，/f/發清輔音。

Fourth的英文詞源可以追溯到拉丁語詞匯“quadratus”，意為“四”。其變化形式主要有復數形式“fourths”，過去式“fourthed”和過去分詞“fourthed”。

相關單詞：

fourth：作為形容詞和副詞，意為第四的或第四地，在英語中使用非常廣泛。例如，“the fourth floor”就是第四層樓，“on the fourth Thursday in November”指的是感恩節后的第四個星期四，這是一個公共假日。

quarter：quarter作為名詞，意為四分之一。例如，“one-quarter of the class failed the exam”表示班級的四分之一的學生考試不及格。

section：section作為名詞，意為四分之一的部分或章節。例如，“the first section of the road”指的是路的第一個部分。

這些單詞都與fourth有著密切的聯系，并且在英語中廣泛使用。fourth作為英語中的一個常用詞，其變化形式和相關單詞反映了它在英語中的重要性和廣泛使用。同時，這些單詞也反映了英語詞匯的多樣性和變化性。

常用短語：

1. fourth floor

2. fourth quarter

3. fourth of July

4. fourth of may

5. in the fourth grade

6. on the fourth of may

7. fourth of wednesday

例句：

1. I live on the fourth floor of the apartment building.

2. We played a game in the fourth quarter of the basketball game.

3. My favorite holiday is the fourth of July because I love fireworks.

4. I am in the fourth grade and I am learning a lot of new things.

5. We had a party on the fourth of may and it was great fun!

6. The fourth of wednesday is a national holiday in my country.

7. The fourth of every month is when we have our team meeting.

英文小作文：

Today, I am feeling very excited because it is the fourth of June and I am going to my friend"s birthday party. I have been looking forward to this day for weeks and now it is finally here! I am going to bring a gift and we are going to have a great time together. I hope to see you there!