engage in intellectual conversations
Talking about heaven and earth is a Chinese idiom. Pinyin is t á NTI ā NL ù nd ì, which means talking about astronomy and geography and describing erudition. From "Wang can ascends the tower".
The origin of Idioms
Yuan · Zheng Dehui "Wang can ascends the tower" the second fold: "if you talk freely, you will not change your ambition to subdue the tiger and subdue the dragon."
Idiom usage
Used as predicate, attribute, etc.
engage in intellectual conversations
highly meritorious and respectable - gōng gāo wàng zhòng
the man who rather trusted his measurements than placing any confidence in his own feet when buying shoes - zhèng rén shí lǚ
in the warm spring , flowers are coming out with a rush - chūn nuǎn huā kāi
put the interest of others above one 's own - xiān rén hòu jǐ