Proverb: Don’t boast even a little bit, for pride and complacency will lead to overturning. Looking at many things in ancient and modern times, success has been caused by humility and failure has been caused by extravagance. -------- Chen Yi
Idiom: Niu Ji is the same as Zao: a metaphor for the indistinguishability between the wise and the foolish. Cutting the chicken with an ox's knife: Also known as "cutting the chicken with an ox's knife".
A metaphor for overkill and a small test: a metaphor for someone who has a great ability, but first shows off his skills in small things.
Spirit: