Eye without the whole cow: It means that when the butcher first slaughtered the cow, what he saw was the whole body of the cow, and after a few years, he was already familiar with the structure of the cow's body, and when he slaughtered the cow, his eyes were completely focused on the gaps, and he was no longer paying attention to the appearance of the cow. Later, it was used as a metaphor to describe a person who is highly skilled in the art of slaughtering.
Craftsman: a skillful and skillful craftsman.
Craftsmanship: Artificial craftsmanship is better than nature. It describes a high level of skill.
Silk into buckle: each silk passes through the buckle teeth when weaving. It is a metaphor for poetry or artwork that is tightly fitted, accurate and meticulous, and fits together one by one.
But wonderful: but: auxiliary; wonderful: skillful craftsmanship; Xiao: similar, realistic. It describes a very realistic portrayal.
Mindfulness and skillfulness: sensitive mind, skillful hand.
You can maneuver with the edge of the knife: the blade is in motion and has a lot of room for maneuver. It describes skillfulness and ease of operation.
Hacking wheel veteran: hacking wheel: hacking wood to make wheels. Later on, they called the experienced and skillful people "hacking wheel veterans".
ZuoYiYuYuYou: no to inappropriate. It describes the versatility of being able to do everything.