used in expressions that convey frustration and futility, such as 無奈|无奈[wu2 nai4] and 莫可奈何|莫可奈何[mo4 ke3 nai4 he2] (literary) / used for its phonetic value in writing foreign words
奈
=
大
+
示
:
Napoleon (n) wants to put his guideon (示) on the peak of Mount Sinai (奈) in the airplane's bathroom (ai4), but the robot (大) normally responsible for carrying his guideon is broken. Without any better option (奈) Napoleon will have to carry up the guideon himself.
儿
=
丿
+
乚
:
Mnemonic symbol: "son" (儿) sounds similar to "Sun" like in "Sun Wu Kong", so it's gonna be represented by the monkey king. Albert Einstein (Ø-) and Sun Wu Kong (儿) are fighting in the space station's kitchen (-Ø2). Their weapons: Albert Einstein has a shovel (乚), and Sun Wu Kong has a banana (丿).