競爭模式

竞 = 兄 + 立 : Apollo (兄) and Joan of Arc (ji) are competing (竞) in the engine's bathroom ((e)ng4). Each of them tries to smash as many vases (立) as fast as possible.

争 = ⺈ + 肀 : Mnemonic symbol: The grim reaper, as 争 is often used in words involving war (...战争). In front of the engine ((e)ng1), the grim reaper (争) marks his next victims in passing. With a crayon (肀) he draws big "X"s on the crane (⺈) and James II of England (zh).

模 = 木 + 莫 : Mahatma Gandhi (m) and Mozart (莫) both want to impress a super model (模) in the observatory's kitchen (o2). They both set up beautiful Christmas trees (木) to impress the super model with their decoration skills.

模 = 木 + 莫 : Just inside the space station's entrance (Ø2) Mozart (莫) and Malte Monkey (mu) create a duplicate of a Christmas tree (木) using lots of silicon and a mold (模).

式 = 工 + 弋 : I'll use a specific style as mnemonic symbol: 哥特式, gothic.

Sherlock Holmes and the goth are celebrating a Viking festival in the space station's bathroom. They don't have trunks to throw around, so they use a steel beam. They also celebrate by practising archery. In zero gravity it is easy for them to set one world record after the next.