What idiom does twelve bull heads and two tiger heads make up?

Jacky Dehui's nine cows and two tigers

Lu Bu in the Third Battle

Dude, you don't know his boots.

peak

Land, have a try, don't let him go.

short break

. "Metaphor is a great effort. It is often used in situations that require a lot of effort to complete.

Chinese name: nine cows and two tigers

Source: Zheng Dehui "Three Wars Lu Bu"