What's the next sentence in the allegorical saying of Lu Ban's axe in front of the door?

According to the information of New Knowledge Encyclopedia, the next sentence of this sentence is overreaching.

The two-part allegorical saying of this sentence includes: making a big axe in front of Luban-making a big axe in front of Luban-overreaching, making a big axe in front of Luban-making a fool of yourself. Showing off one's skills in front of experts. This idiom is sometimes used as a word of self-modesty, which means that you dare not show off your skills in front of experts.

The idiom "Teach others to play the axe" is refined into "Teach others to play the axe", which comes from Liu Zongyuan's Preface to Wang Shi's Ode: "Teach others to play the axe, and be strong enough to meet the ear." This idiom tells people to learn to be modest and not to show off their skills in front of others casually, otherwise they will probably teach others to joke.