highest / greatest / too (much) / very / extremely
太
=
丶
+
大
:
Mnemonic symbol: from 太后 [tai4 hou4], the empress dowager. The empress dowager prepares for her reign in the airplane's bathroom (ai4) and has a big robot (大) as well as Tecumseh (t) fan her fresh air with petal leaves (丶).
空
=
工
+
穴
:
In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.
舱
=
仓
+
舟
:
The King of Chu (c) set up a barn (仓) on top of a yellow submarine (舟) in front of the anglepod (ang1) to add another passenger cabin (舱), but he didn't consider what will happen once the submarine submerges.