熟练

熟 = 享 + 丸 + 灬 : Sheldon Shrimp (shu) concocts an elixir against his stomach ache in the space station's kitchen (Ø2). On a small grill (灬) He put a drink (享) in which he dissolves a whole bag of painkillers (丸). When the pills are fully dissolved, his elixir is done (熟).

熟 = 孰 + 灬 : The riddler captured Sheldon Shrimp (shu) in the space station's kitchen (Ø2) and threatens to put him on a grill (灬) and cook him until he is ripe (熟) if he fails to win a game of "who am I" (孰).

练 = 纟 + 一 + 东 : Li Qingzhao (li) and the silk worm (纟) are working out (练) in the anthill's bathroom (an4). They set up an Oriental Pearl Tower (东) to which they attached a huge flute (一) as horizontal beam, so that they can practice (练) pull-ups.