meritorious deed or service / achievement / result / service / accomplishment / work (physics)
功
=
力
+
工
:
Gitta Giraffe practices her Kung Fu skills in front of the engine with a sparring robot made out of steel beams. The robot is programmed to fight Kung Fu, but Gitta Giraffe's Kung Fu is better: she hits the robots power button and turns it off.