(1) Flowing clouds and flowing water is an idiom pronounced xíng yún liú shuǐ, which means flowing clouds in the sky and flowing water in the river.
Source: Ou Yangyuqian's "Peach Blossom Fan" Act I: "The stuff of dudes is still flowing."
(2) Jing Jing is an idiom in China, pronounced as pāi àn jiào jué, which means striking the table and applauding. Describe it very well. Can be used for someone's words or masterpieces, etc.
Source: The second and third episodes of "Heroes of Children": "When Deng Jiugong heard it, he was shocked by the heavens and immediately wanted to seize the matchmaker Pu Fan."
(3) The flower in the pen is a Chinese idiom, and the pinyin is bǐ xià shēng huā, which means that a person's writing style is good or his works or poems are good. It is a metaphor that literati are talented and elegant, and they write excellent poems.
Source: Wang Renyu's "The Legacy of Kaiyuan Tianbao" in the Five Dynasties: "When Li Taibai was a teenager, he used a pen to make flowers, and he became a genius and became famous all over the world."
(4) Cheerfulness is an idiom, pronounced as hān chàng lín lí, which means to describe being very carefree and comfortable. It often refers to literary and artistic works with articles and paintings, full of emotion, smooth brushwork and full emotional expression.
Source: Song Ouyang Xiu's "Ouyang Wenzhong's Official Document Collection, Interpretation of Secret Poems Preface": "Go to the cloth and wild flowers and enjoy the play." It is very carefree to play among wild flowers in shabby clothes.
(5) incisively and vividly is an idiom, pronounced as lín lí jìn zhì, which means that an article or speech is fully and thoroughly expressed. It can also be described as being very happy.
Source: Qing Wenkang's Biography of Heroes of Children, let me say that I am not as thorough and incisive as my sister said.