刂
=
丨
+
亅
:
Mnemonic symbol: a kitchen knife. Don Quixote (d) is showing off his special knifes in front of the aorta (ao1). One is made from a dinosaur bone (丨), and the other is made from a crowbar (亅).
画
=
一
+
田
+
凵
:
Helga Horse (hu) decided to make the ashram's bathroom (a4) more beautiful, so she paints (画) her favourite field (田) on the wall using a flute (一). She doesn't watch out for the receptacles (凵) though, and gets shocked as her flute gets stuck in one of them.