to divide / to break up / to split / to separate / to dissolve / to solve / to melt / to remove / to untie / to loosen / to open / to emancipate / to explain / to understand / to know / a solution / a dissection
解
=
刀
+
牛
+
角
:
Mnemonic symbol: acetone, in which anything can be dissolved.
Inside of the elevator (e3) Joan of Arc (ji) is dissolving a horn (角). A moment ago she cut the horn from the bull's (牛) head using a cleaver (刀). The bull is still shocked as he sees Joan of Arc dissolve (解) his horn in acetone (解).
闷
=
心
+
门
:
Mahatma Gandhi (m) lost his heart (心) when he accidentally dropped it through a trap door (门) in the floor of the encampment ((e)n4). As soon as the heart fell through, the door closed very tightly (闷) which makes Mahatma Gandhi quite depressed (闷).
lit. to eliminate worry and dispel melancholy (idiom); diversion from boredom / to dispel depression or melancholy / to relieve stress / a relaxing pass-time