砍
=
欠
+
石
:
Karl Marx (k) chopped down (砍) a huge boulder (石) with his bare hands inside of the anthill (an3) so that the staff can now move the pieces of the boulder. Before he leaves, the anthill's owner throws (砍) an IOU note (欠) after Karl.
杀
=
乂
+
朩
:
Sherlock Holmes (sh) is messing around with a sewage pipe sticking out of the floor (朩) in front of the ashram (a1) using pliers (乂). To reduce (杀) the marks he left he is trying to rub them off with an eraser (杀).