允
=
儿
+
厶
:
Sun Wukong (儿) has a runny nose (mnemonic symbol for 允) and is constantly blowing his nose in the encampment ((e)n3). Yu the Great (yu) is very annoyed and tells him that it is not allowed (允) to blow one's nose in the encampment. Instead she hands him a fake nose (厶) with which he is to hide his real nose.
to be / to act as / manage / withstand / when / during / ought / should / match equally / equal / same / obstruct / just at (a time or place) / on the spot / right / just at
当
=
小
+
彐
:
This character looks like an angry pitbull. 小 forms the eyes and maybe nose, and 彐 are the dangerous teeth.
当
=
小
+
彐
:
Don Quixote opposes a dangerous pit bull in front of the anglepod, and he tries to calm him down with a daisy.