一分之一通常被翻译为"fifthness"意思，其次还可以说成"one in five"，在《瓦里希英汉词典》中，共找到16个与一分之一相关短语释义和例句。

1. i will! What just happened?

2. Three-quarters of a mile: 1:12 and a fifth.

3. i want a third in the fnt, a third at the back.

4. Half, half, half! Half, half, half, half. Aaaah!

5. Say, one-fifth the speed of light.

6. it's only, like, one in 1 000.

7. To Brent and Thomas, one quar- ter of the oginalamount.

译文:财产二分之一分给阿曼达，布伦特和托马斯各四分之一。

8. By me, too. i'll take a third.

9. There remains one chance in five.

10. So one half, one quarter, one fifth -- we're good at that.

11. You can't divide a quarter of a quarter.

12. A quarter! A half of a quarter!