Dam break, dam break, dam repair, dam construction, dam repair, ant colony dam break.

Ant nest breach: refers to a small ant nest, which can make the bank breach. Metaphor is caused by carelessness.

The breach of the ant nest comes from Han Fei's "Han Fei Yu Zi Lao" in the Warring States Period: "The dike of thousands of feet was broken by the ant nest; A room of 100 feet was burned by smoke from a sudden crack. "

Extended data

The meaning of the word "dam":

1. A building that blocks water flow.

2. Dike.

3. bazi; Flat ground.

4. Hydraulic structure for guiding water flow and protecting the bank.

5. Dialect. Beach; Shazhou.

Architecture:

Dam refers to the water retaining structure that intercepts the water flow in the river to raise the water level or adjust the flow. It can form reservoirs, raise water levels, regulate runoff and concentrate water heads, and can be used for flood control, water supply, irrigation, hydropower generation and improvement of navigation. River training structure, which adjusts the river regime and protects the riverbed, is also called a dam, such as groins, shun dams and submerged dams.

Southwest is called Xiaokongping, Pingping or Plain. Such as Yuanba, Heba and western sichuan bazi. Dams on high mountains in Mongolia. Mongolians regard mountains as dams, which are different from our understanding of dams and dikes. By dam, we mean the transition zone between the plateau and the plain.