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).
hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]