斩
=
斤
+
车
:
Mnemonic symbol from 斩草除根: lawn mower. James II of England (zh) accidentally dropped bar bells (斤) onto the anthill's owner's cabriolet (车). The owner is mad as hell and wants to behead (斩) James II of England in the living room (an3) using a lawn mower (斩).
断
=
乚
+
斤
+
米
:
Doggy Dog is working out in the anthill's bathroom. He uses two big barbells, but they are not enough: He attached shovels to the barbells and sacks of rice on them. The load is too much though: Just as he is pushing the barbells up the shafts of the shovels snap.