Which dynasty did the idiom come from? How does it reflect the protagonist?

Not "cultured scum" was not an idiom. This term is usually used to describe people whose behavior does not conform to moral norms or has low moral standards. A person with elegant and civilized behavior may be described as "gentle", while a person with uncivilized and immoral behavior may be described as "scum". This phrase came from novels like " Battle Through the Heavens ".

The story of " Ye Lang's arrogance " can be traced back to the Warring States Period. According to the Records of the Historian, there was a small country called Ye Lang during the Warring States Period. The king of Ye Lang was arrogant and did not listen to the orders of his superiors. He even refused to pay tribute to the higher-ups. In the end, he was destroyed by the army of Chu. This incident became the source of a story that later generations ridiculed for being arrogant.

The idiom sick into paste blindness comes from Dream of the Red Chamber. This novel was a classic of the Qing Dynasty and was also an important part of Chinese culture. This novel narrated the love story of Jia Baoyu, Lin Daiyu and others, as well as the rise and fall of feudal dynasties. One of the famous scenes in the novel described a person's illness that was so serious that it could not be cured. This idiom was also widely used in romance novels to describe the love between two people that had reached an irreversible point.

The idiom "Bi Ji" came from Zu Ti, a famous figure in the Southern and Northern Dynasties. Zu Ti was a famous official of the Song Dynasty during the Northern and Southern Dynasties. During his reign, he sent many envoys to the north to fight for more peace for the Song Dynasty. One time, he encountered the rapid flow of the Yellow River in the process of fighting in the south and north, but he did not give up. Instead, he stood firmly by the river and encouraged his soldiers to fight bravely for victory. His bravery and determination were deeply admired by the soldiers and made an important contribution to the Song Dynasty's final victory.

The idiom "hit the oar" comes from the Tang Dynasty poet Wang Zhihuan's "Climbing the Stork Tower." This poem described the author's feelings and thoughts about life after ascending the Stork Tower and facing the magnificent nature and the vast world. Among them, the phrase "hit the oars" was a metaphor for the spirit of people who had to be firm in their beliefs and brave in the face of difficulties and setbacks.

The idiom "Bi Ji Ji" comes from Tao Yuanming, a famous ancient Chinese figure at the end of the Eastern Jin Dynasty. In this article, Tao Yuanming described the story of him leaving his hometown to find the Peach Blossom Spring. One of the important scenes was that he tried to jump over the river bank and finally found the Peach Blossom Spring. This idiom was used to describe the spirit of perseverance and courage in difficult situations.

The idiom 'terminally ill' comes from Bai Juyi's Song of Everlasting Regret in the Tang Dynasty. The poem described the tragic love story between Emperor Xuanzong and Yang Yuhuan, as well as the story of Emperor Xuanzong's debauchery and fatuity, which eventually led to the dethronement of Yang Yuhuan and the death of Emperor Xuanzong.

I'm not sure what idiom you're referring to. Please provide more context so that I can better answer your questions.

The idiom "Bi Bi Ji" originated from the poem "You Xian Cave" written by Zong Lin, a writer of the Northern Wei Dynasty. Zong Lin described in his poem that when he was sailing in the river, he saw that the current was too fast to move forward, so he raised the wooden oar and rowed upstream with all his might, hoping to change the direction of the current and finally tide over the difficulties. This scene inspired the poet, who wrote the idiom " Bat the oars " to describe the spirit of people who worked hard to change the status quo in difficult situations.

The Long Song was a work from the ancient Chinese novel, Chu Ci.