Fourth International第四国际
Fourth Wall第四面墙;第四堵墙;之间有一道看不见的墙
fourth sound第四次声波
Beijing Fourth北京四中
Fourth puIler第四位
fourth house在世运占星学中代表裕民
fourth generation第四代;第四代电脑
Fourth Element第四次元
fourth ringroad四环路
ORD（序数词） The fourth item in a series is the one that you count as number four. 第4
Last year's winner Greg Lemond of the United States is in fourth place.
去年的获胜者美国的格雷格·莱蒙德现在排名第4。
FRACTION（分数词） A fourth is one of four equal parts of something. 1/4 [美国英语]
Three-fourths of the public say they favour a national referendum on the issue.
3/4的公众说他们赞成就此问题举行全民公投。