Interpretation: have comprehended, understand each other's meaning
From: Southern Dynasty Song? Liu Yiqing? The New Sayings of the World - Words: "? I'm going to go to the Hualin Garden. The first time I saw him, he said, "I don't know what I'm going to do. He said, 'The place where you can meet your heart need not be far away, and if you cataract the forest and water, you will have your own leisure thoughts of Hao and Pu.'" Yuan Huang Yao's poem "Walking on the Lake in the Dawn of the Day" said, "I have gained a sense of fulfillment at the first moment, but I am still sighing when I touch myself." Li Jieren Li Jieren? The Dance of the Devil in Heaven, Chapter 20: "Everyone agreed with his criticism, and laughed heartily."