What are the four-character idioms about pools?

Nongbing Huangchi

"Han Shu·Xunli Biography·Gong Sui": "The sea is close to the distant sea and is not sanctified. The people are trapped in hunger and cold but the officials are not sympathizing. Therefore, your majesty is sent to steal your majesty's soldiers in the middle ear of Huangchi. "Huangchi is a pool of water." Later, it was used as a metaphor for raising troops in Huangchi. It has an insignificant meaning.

A blind horse approaches a pond

The quote comes from Liu Yiqing's "Shishuo Xinyu Pai Tiao" of the Southern Song Dynasty: "A blind man rides a blind horse and approaches a deep pond in the middle of the night." Later. Because the "blind horse approaches the pond" is used as a metaphor for being in danger and still being ignorant

Hidden Dragon and Crouching Tiger

Yu Xin of the Northern Zhou Dynasty "Talking with Heyang Gong's New Orogenic Pond": "The dark stone is suspicious." "Hidden tiger, with entwined roots like a crouching dragon" was later used as a metaphor for hiding talents or unusual people

The fire at the city gate affected the fish in the pond

According to legend, in the Spring and Autumn Period, the place where Zhongyu lived in the pond of the Song Dynasty. When he lived near the city gate, a fire broke out at the city gate and spread to his home. Zhongyu was burned to death. It is said that there was a fire at the gate of Song Dynasty. Because water was drawn to put out the fire, the water in the pond dried up and all the fish died. See Volume 96 of "Yiwen Leiju" and Volume 466 of "Taiping Guangji" quoted from Han Yingshao's "Customs". Later, it was used as a metaphor for being implicated for no reason and suffering disaster

City gate fish disaster

See "City gate fire, disaster affects pond fish"

Chijiu Linfu

"Historical Records of the Yin Dynasty": "The defending emperor Zhou Yao played in the sand dunes, using wine as a pond and county meat as a forest, so that men and women chased each other for leisure, drinking for a long night." "Chijiu Linfu" describes a lot of wine and meat and a luxurious life

Chiyumuyan

It is a metaphor for a person who is in danger and very vulnerable to disaster

Chiyutangyan

Metaphor for innocent people to suffer disaster

Poked fish’s disaster

See “Poked fish’s disaster”

Poked fish’s worries

It means worrying about unreasonable involvement and disaster

The disaster of Chiyu

Volume 466 of "Taiping Guangji" quotes Han Yingshao's "Customs": "A fire at the city gate will harm Chiyu. It is said in the past that Chi Zhongyu, whose surname is also called Zhongyu, lived at the gate of Song Dynasty. A fire broke out at the city gate and spread to his home. Zhongyu was burned to death. Another saying: There was a fire at the gate of Song Dynasty. People took water from the pond and irrigated it with fertilizer. The pond is empty and the fish are exposed to death. It is a metaphor for evil and harms good people." Later, "the disaster of fish in the pond" was used to describe the unprovoked disaster caused by involvement.