可以组成单词fourth，意思是：ord.第四。n.第四，月的第四日;四分之一。

例句：

1. He is beginning his fourth consecutive term of office.他开始了第四届任期。

2.This was the fourth album by the top rock outfit.这是这个顶级摇滚乐队的第四张唱片专辑。

3.Henry's taxes averaged out to about a fourth of his income.亨利交付的税款平均为他收入的四分之一左右。