(prefix indicating ordinal number, e.g. first, number two etc) / order / (old) rank in the imperial examinations / mansion / (literary) but / just
第
=
⺮
+
弓
+
丨
+
丿
:
Dorothy Gale (di) accomplished an awesome result with her composite bow (弓) in the space station's bathroom (Ø4): She shot a bamboo stick (⺮) into a banana (丿) so it was split in half, and then fired a dinosaur bone (丨) into the bamboo stick (⺮) so it was split in half as well. Dorothy is number one (第) with the bow!
(prefix indicating ordinal number, as in 第六[di4 liu4] "sixth") / (literary) grades in which successful candidates in the imperial examinations were placed / (old) residence of a high official / (literary) but; however / (literary) only; just
二
=
一
:
Mnemonic symbol: a capacitor, because the two strokes remind me of the symbol in electrical drawings. Albert Einstein (Ø) is experimenting with a capacitor (二) in the space station's bathroom (Ø4). He finds that it's uncomfortable to discharge a capacitor using two flutes (一).
天
=
一
+
大
:
Mother Teresa (ti) programmed a robot (大) to play a flute duet together with her in front of the anthill (an1). As they play their flutes (一) an angel (天) hears their heavenly tune and descends from heaven to listen to them.