孤苦零丁

孤 = 孑 + 瓜 : Gitta Giraffe (gu) is currently the space station's lone (孤) inhabitant. To feel less lonely (孤), she drew a mosquito's (孑) face on a melon (瓜) to have somebody to talk to in front of the space station (Ø1).

苦 = 艹 + 古 : Karl Koala decided to repent for his sins and retreated into a cloister inside the space station. There he leads a very simple life full of hardship, e.g. he gave up on eucalyptus and just eats very bitter artificial lawn.

零 = 令 + 雨 : Just inside the engine's kitchen ((e)ng2) it is raining (雨) heavily. Li Qingzhao (li) wants to flee the rain and to enter engine, but she has no pocket money (零钱) anymore. Instead, she shows her very special name tag (令) in the hope of being let in, but unfortunately it is not recognized.

丁 = 一 + 亅 : Mnemonic symobl: a nail. 一 is the head of the nail and 亅 is the shaft. The point of the nail is already a bit bent.

Dorothy Gale (di) balances a flute (一) on a crowbar (亅) in front of the engine ((e)ng1). For this trick, she wins the fourth (丁) place in an artists competition and gets a quarter (丁) of a pizza as prize. Unfortunately, there is a big nail (mnemonic symbol for 丁) on the pizza slice.