fifty

fifty的音标是[ˈfifti]，基本翻译是五十。速记技巧可以是谐音记忆：费福特（fifty）后面是五十（five）。

Fifty的英文词源：

Fifty这个词源于古英语词汇“fift”，意为“五”。

变化形式：Fifth的词性变化形式包括名词fifth（第五个部分或元素）和形容词fifth（第五个或五分之一的）。

相关单词：

1. Fifteen（十五）：这个词是由单词“fifth”加上数字后缀“teen”构成的，表示“五加一”。

2. Forty（四十）：这个词也是由“fifth”加上数字后缀构成的，表示“五加三”。

3. Fiftieth（第五十）：这个词是由“fifth”和“-th”构成的名词形式，表示“第五十个”。

4. Half（一半）：这个词表示“五分之一”，与Fifth的词义有相似之处。

5. Quindecillion（一千五百亿）：这个词是由单词“quintillion”加上数字后缀构成的，表示“五的十次方”，是一个非常大的数字单位。

相关单词的解释中，我们可以了解到Fifth作为基数词时，可以与其他数字后缀构成不同的数词形式，同时也可以作为序数词，表示顺序的第五。此外，Fifth还经常出现在一些大数的表示中，如Quindecillion就是由五个Fifth组成的非常大的数字单位。这些单词在英语中具有广泛的应用，可以帮助我们更好地理解和使用Fifth这个词源。

常用短语：

1. fifty times

2. fifty percent

3. fifty-fifty

4. on the fiftyth anniversary

5. fifty years later

6. fifty-one years old

7. fifty cents short

双语例句：

1. This book is fifty times more readable than the previous one. (这句话可以翻译为：这本书比上一本容易读多了。)

2. She is fifty percent sure of her answer. (这句话可以翻译为：她对答案有百分之五十的把握。)

3. After fifty years, we are still together and still in love. (这句话可以翻译为：五十年过去了，我们仍然在一起，仍然相爱。)

4. He is fifty years old and still working hard. (这句话可以翻译为：他五十岁了，仍然努力工作。)

5. She is fifty-one years old and still going strong. (这句话可以翻译为：她五十一岁了，仍然精力充沛。)

6. I am fifty cents short of the money I need for the bus ticket. (这句话可以翻译为：我需要买公交车票的钱差了五十分。)

7. The project is fifty percent complete. (这句话可以翻译为：这个项目完成了百分之五十。)

英文小作文：

Fifty years ago, I was a young girl full of dreams and hope. I remember that time clearly, because it marked the beginning of my journey in life. Looking back, I realize that time flies and I have come a long way since then.

Now, I am a middle-aged woman with a family of my own. I am still working hard, but I also enjoy the fruits of my labor. I am grateful for every moment of my life, because it has taught me so much. I have learned to appreciate the little things in life, to cherish the moments with my loved ones, and to never give up on my dreams.

As I look ahead, I am filled with hope and anticipation for what the future holds. Although I am not young anymore, I know that life is full of surprises and opportunities waiting to be seized. I will continue to work hard and to seize every opportunity that comes my way, because I believe that with hard work and perseverance, anything is possible.