得意忘言

Explanation: Is intended to express the meaning of words, since it has been known meaning, you no longer need words. Knew each other after the analogy, do not say so. 　　Usage: -Linked; as predicate, attributive; with a compliment 　　Source: He replies, "Zhuangzi foreign objects": "the speaker so concerned about, proud of forgetting words." 　　Examples: Fang Wen fans who run like mud, Concert by ~. ★ Ming Yang Shen "Cave Hyun Ji" opening Thesaurus:  omniscient, have a tacit understanding; give tacit consent; tacit understanding, boson friends, know sth. as a person knows his ten fingers, as if enumerating one's family valuables— very familliar with one's subject, To understand clearly Into the Huai, understand tacitly; I appreciate your kindness, Minds think alike, knowing one's own situation and that of the enemy, Several chest, Zhibi confidant