thorn / sting / thrust / to prick / to pierce / to stab / to assassinate / to murder
刺
=
刂
+
朿
:
The King of Chu (c) got a thorn (刺) stuck in his chest, and he cannot pull it out because it broke off and the tip is deep under the skin. He has no other choice but to use a kitchen knife (刂) to cut it out in the space station's bathroom (Ø4), but he slips and accidentally stabs himself (朿).