What idioms are there with beheading?

Firmly,

Copy with door,

Cut the flag,

Cut the grass and remove the roots,

Act first, then act,

Kill everything,

Cut the gordian knot,

Cut through thorns,

Beheading and bleeding,

Cut first, then smell,

Cut through thorns,

Break the wind and waves,

Cut the pole, uncover the wood,

Cut the gordian knot,

Split the thorns, cut off the thorns,

Cut the flag,

Cut the gordian knot,

Go through five customs and cut six generals,

Cut off the passage,

The two countries were at war, and they didn't succeed.

Forced five passes and six generals-beat an opponent and enter the next round; Overcome all difficulties on the road ahead.