食
=
亽
+
艮
:
Mnemonic symbol: a bag of instant noodles.
Sherlock Holmes (sh) went camping in the space station's bathroom (Ø2). As foodstuffs he brought chewing gum (艮) and instant noodles (食), but he forgot to bring his gas stove, so in front of his tipi (亽) He is eating chewing gums all day.
顷
=
匕
+
页
:
The Queen of Hearts (qi) has to wallpaper one hectare (顷) of the engine's walls ((e)ng3). Although her only tool is a ladle (匕) she finishes the whole hectare in a moment (顷).