独断专行

独 = 犭 + 虫 : Everyone has left the space station, only the animals are left: Doggy Dog (du), the dachshund (犭) and the mosquito (虫). They have noone who throws them a stick or exposes their bare body parts to bite. All alone (独), they wait in the space station's entrance (Ø2).

断 = 乚 + 斤 + 米 : Doggy Dog is working out in the anthill's bathroom. He uses two big barbells, but they are not enough: He attached shovels to the barbells and sacks of rice on them. The load is too much though: Just as he is pushing the barbells up the shafts of the shovels snap.

专 = 二 + ㇉ + ㇏ : Let's say the expert is a scientist. Also, 专 reminds me a little bit of the wheelchair symbol. Thus I choose a scientist in a wheelchair as symbol for 专.

专 = 二 + ㇉ + ㇏ : In front of the anthill, the scientist and Julian Giant Squid are focused on one thing: Electrifying the wheelchair of the scientist. Deeply concentrated they connect a capacitor to the wheelchair, which indeed starts to move a little.

行 = 亍 + 彳 : Mnemonic symbol from "to travel": seven-league boots.

Xi Shi (xi) is tired of walking with a black sneaker on her left foot (彳) and a full armor boot on her right foot (亍). Fortunately she finds seven-league boots (行) in the engine's kitchen ((e)ng2).