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).
云
=
二
+
厶
:
Yu the Great (yu) had a little accident in the encampment's kitchen ((e)n2). She blew up her capacitor (二), and now there's smoke (云) everywhere. To be able to breathe, she puts on her fake nose (厶).