Experts understand the meaning of cattle: it means that after repeated practice, they have mastered the objective laws of things, doing things with ease and using them freely.

My understanding of cattle comes from "Master Zhuangzi": "My understanding of cattle is literary. Touch of hands, tilt of shoulders, stepping of feet, stepping of knees, sound of knives, tenor. ?

An expert who knows cows.

1. Have you ever heard of being a skilled worker? Old Wang Neng cut you alive into bones in half an hour.

Last night's dinner was quite a failure, and it simply played the role of an expert who knows cows. I don't even want to think about the way the chicken decomposes for the time being.

Master Zhang has worked in the machine repair workshop for decades, and it is amazing that he can disassemble and assemble the machine quickly and accurately, just like an expert in solving cows.