解

Using a knife (刀）to cut the horn(角）of a cow （牛）to release （解）it.
by TalkingTrash

Wanting to <solve> the puzzle of why the BEEF was hard to chew, we asked Mike. Next time, he said, ANGLE the KNIFE against the grain.
by vms5q

how does one move a cow a different angle? you poke it with a knife
by joolean