Examples

长江、黄河、黑龙江、珠江等四大河流

the four large rivers—the Changjiang, the Huanghe, the Heilongjiang and the Zhujiang

中国是世界四大文明古国之一。

China was one of the four civilized ancient countries of the world.

四大名著是中国小说史上的巨制。

The four famous works are the monumental works of Chinese fiction history.

佛家讲究四大皆空、慈悲为怀。

Buddhists teach that all space-directions are void and compassion is the principle of life.

四大金刚，个个都是一副怪相。

指南针是我国的四大发明之一。

四大金刚

琴、棋、书、画，自古就是文人的四大雅兴。

Fire, water, earth and air are the four elements.

火、水、土和气是宇宙四大元素。

The alchemists believed that there were four elements.

金术士认为世界由四大要素组成。