同声一哭

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).

声 = 士 + 尸 + 丨 : Sherlock Holmes (sh) hears the terrifying sound (声) of bone (丨) on stone in front of the engine ((e)ng1), and he's sure that there must be a ghost (尸). Indeed it's only the bachelor (士) who wants to scare Sherlock.

Maud Younger (y) forgot her keys to the space station (Ø1), all she brought outside was her flute (一). She has no choice but to crash the door with the giant flute.

哭 = 吅 + 犬 : Karl Koala (ku) played a trick on the Saint Bernard dog (犬) in front of the space station (Ø1). While the dog was sleeping, Karl put two mandarins (吅) on his eyes and when the dog woke up, he thought he went blind and started to cry (哭) like a baby.