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).
classifier for years (of age) / year / year (of crop harvests)
岁
=
夕
+
山
:
Susan Saint Bernard (su) meets a bat (夕) in the bathroom of the Eiffel Tower (ei4). They make a bet: The one who is older (岁) will be allowed to eat the other using a fork (山).