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).
田
=
囗
+
十
:
Mother Teresa (ti) wants to plant a field (田) of crosses (十) in the anthill's kitchen (an2). She ordered an enclosure (囗) full of crosses (十) and puts them up one by one.