心
=
乚
+
丶
:
Marie Curie (xi) uses a shovel (乚) to dig a hole in front of the encampment ((e)n1). She wants to bury her heart (心). To the side are three petal leaves (丶), with which she wants to cover it afterwards.
窄
=
乍
+
穴
:
Mnemonic symbol: a narrow slit of some kind. James II of England (zh) is painting cave paintings (穴) on the walls of the airplane's living room (ai3). He is using a special technique: he pushes the hair of his Mohawk haircut (乍) through a narrow slit (窄) so that when he applies the paint to his hair (to use it as a brush) he doesn't accidentally paint his face.