What do you mean by meidada?

Dada's explanation

The onomatopoeia Huaguan Lesson 1: "The machine guns in the East are still ringing." Bai Yuan's youth experience: "After a while, on the slope of a highway, three workers who were repairing the reservoir stepped down, and their long-term rain boots kept ringing on the ground."

Word decomposition

The explanation of da (da) ā [da] onomatopoeia, which describes the sound of horses' hooves and organ gunfire. (da) radical: mouth; The explanation of da (da) ā [da] onomatopoeia, which describes the sound of horses' hooves and organ gunfire. (Da) radical: mouth.