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).
Sherlock Holmes (sh) is cleaning a flower pot (廿) under the shower of the space station's bathroom (Ø4) with a loofah (L) because he didn't quite understand a poster next to the shower from the WHO (世) explaining dangers arising from different germs.