重身子

重 = 千 + 里 : Mnemonic symbol (from the shape of the character): this one looks like a space elevator. The two top strokes are the heavens, the two bottom strokes are the earth, and the part in between is the cabin (or climber) of the space elevator.

Chantal Chicken (chu) is working in the engine's kitchen ((e)ng2). Her job is to crush sunflower (里) seeds with a 1 kg weight (千) to get the kernels. Then she has to put the kernels into the cabin of a space elevator (重) to send them to outer space. This repeats (重) again and again day in, day out.

重 = 千 + 里 : Mnemonic symbol (from the shape of the character): this one looks like a space elevator. The two top strokes are the heavens, the two bottom strokes are the earth, and the part in between is the cabin (or climber) of the space elevator.

Julian Giant Squid (zhu) installed a space elevator (重) in the engine's bathroom ((e)ng4). For the maiden trip, and as a stress test, he loads one thousand (千) one kilogram weights (千) and decorates them with sun flowers (里) to celebrate the occasion.

身 = 自 + 丿 : Mnemonic symbol: a bodysuit.

Sherlock Holmes (sh) tries on his new bodysuit (身) in front of the encampment ((e)n1). To see himself better in his hand mirror (自), he uses a banana (丿) as a selfie stick.

子 = 了 + 一 : Zorro wants to eat an egg in the space station, and he already put it in a prize cup, as he has no egg cup. He also lacks a spoon, so he uses a big flute to crush the egg open.