同
=
冂
+
𠮛
:
Tommy Turtle (tu) is stapling (冂) a magical scroll (𠮛) to the wall of the engine's kitchen ((e)ng2). On it he wrote that he's looking for two twins (mnemonic symbol for 同).
龄
=
令
+
齿
:
Li Qingzhao (li) wants to enter engine, but in the kitchen ((e)ng2) she has to undergo a check first. An old codger with an imperial name tag (令) is entitled to check her teeth (齿) in order to now Qingzhao's age (龄).