Chinese

		to decapitate someone, then place their head atop a wooden pole in a prominent place as a warning for others to not commit a similar offense	to publicly expose; to put before the public
trad. (梟首示眾)		梟首	示眾
simp. (枭首示众)		枭首	示众

Idiom

梟首示眾

1. to behead somebody and display the head in public; to cut of a person's head and hang it up as a warning to all