例句：
1、 Three fourths of the students in my class are interested in English.
我们班四分之三的学生对英语感兴趣。
2、Conduct is three& fourths of our life and its largest concern.
行为占了我们生命的`四分之三，是生命最要关注的内容。
3、 He held up a piece of paper folded into fourths.
他拿起一张折成四折的纸。
4、 Qualified majority ( three fourths, two thirds majority)
特定的多数（四分之三、三分之二多数）