Harming the fish in the pool means suffering for no reason.

Metaphorically, there is a connection between water and fish. The water in the pond can extinguish the fire at the city gate, which is a direct connection, while the fish is indirectly connected with the fire at the city gate, which is connected through the intermediate link of pool water.

The idiom of "disaster"

Flying disaster leads to disaster, which is a Chinese idiom. The pinyin is Fē i y ā ng z ǒ u hu, which means unexpected disaster, the same as "unexpected trouble". From "The Story of Waking Marriage".

Sick country brings disaster to people, a Chinese idiom, pinyin is bìng guó yāng mín, which means that the country suffers and the people suffer. From Ming Feng Menglong's Awakening the World.

flying disasters, a Chinese idiom, pinyin is hè hèng yāng fēi huò, which means unexpected and unprovoked disasters. From Jin Ge Hong's "Bao Pu Zi Yuan Lan".

Damage to the fish in the pool

1. Deforestation destroys the ecological environment, causing soil erosion and flooding. In the past, this was a fire at the city gate, which hurt the fish in the pool. Now it seems to be a chain reaction, which is a big problem that needs to protect the environment and build ecological projects.

2. Mingjun thinks he's hiding, but he doesn't want to be discovered on the spot. Moreover, it seems that he will be involved in these two people's troubles. This is purely a rhythm that hurts the fish in the pool and makes him have the impulse to scold his mother.

3. Dong Shu subconsciously moved towards the back of Liu Yi, shielding himself with the help of the other person's shoulder, and his small hand also subconsciously tightened a lot, suggesting that the latter should back off, so as not to hurt the fish in the pool.

4. At the other end, Mu Qinghe stomped barefoot on the spacious sofa, and Dabao Erbao calmly climbed to the coffee table to avoid hurting the fish in the pool, and squatted and watched someone slap his chicken feet.

5. The other practitioners from the war camp rushed to the martial arts field to carry the injured out for treatment and cleaning up. Fortunately, no one died, but countless people were seriously injured. It was a fire at the city gate that really hurt the fish in the pool.

6. When Li Zhen saw Yang Lin's anxious face, he knew that what Yang Lin said was true. Although he worked as a handyman in the Lord's mansion, it was inevitable that he would get angry at it.