Three heads are better than Zhuge Liang. What does cobbler mean?

The cobbler means the lieutenant. This sentence is a cultural term, which means that the wisdom of three soldiers and crabs can top Zhuge Liang, and "cobbler" is the homonym of "Bijiang", which means soldiers and crabs in ancient times. Zhuge Liang was born in Wolong, Yang Du (now yinan county, Linyi City, Shandong Province). Prime Minister of Shu and Han in the Three Kingdoms period, an outstanding politician, strategist, inventor and writer in ancient China. The representative works of prose include A Teacher's Example and The Book of Commandments. Liu Ma, Kong Dengming, Mu Niu, and others were invented, and the crossbow was transformed, which was called Zhuge Lian crossbow.