to destroy / to spoil / to ruin / to injure / cruel / oppressive / savage / brutal / incomplete / disabled / to remain / to survive / remnant / surplus
残
=
戋
+
歹
:
The King of Chu (c) invited the wicked witch (歹) to try his floating tank (戋) in the anthill's kitchen (an2) and without waiting he pushed the wicked witch in and closed the lid. After a while he checked on her and found to only the complete tank, but also the wicked witch absolutely ruined (残).
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).