white / snowy / pure / bright / empty / blank / plain / clear / to make clear / in vain / gratuitous / free of charge / reactionary / anti-communist / funeral / to stare coldly / to write wrong character / to state / to explain / vernacular / spoken lines in opera
白
=
丶
+
日
:
Mnemonic symbol: a white flag. The sun (日) is waving with a white (白) flag (白) in the airplane's kitchen (ai2) while Beelzebub (b) is beating them with a big petal leaf (丶).
醋
=
酉
+
昔
:
Because Kitty Cat (cu) is chasing the rooster (酉) so often it decided to take revenge. In the space station's bathroom (Ø4) Kitty Cat is about to enjoy a milkshake (昔) into which the rooster poured a good shot of vinegar (醋).