其味无穷

Explanation: Described the profound implications, not the people aftertaste. 　　Usage: The main predicate; as predicate, object; with compliment 　　Source: Song Xi "Four Books Doctrine of the Mean": "release of the Mi Luhe, volume of the back hidden in secret; the Endless, are also real learning." 　　Examples: Studies in the Long Lent that can speak with the scholar, went to some of multi-reception Houguang "thick interference, which ~ the. (Qing Li, Green Park" Qiludeng "The Fifth) Thesaurus:  significance