一較高下

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.

较 = 交 + 车 : In the aorta's bathroom, Joan of Arc and Linus Pauling are comparing their cabriolets.

高 = 亠 + 冋 + 口 : A skyscraper.

高 = 亠 + 冋 + 口 : Just in front of the aorta, a huge skyscraper has been erected. It's an important building, so there's a control checkpoint at the entrance, and Guy Fawkes has been hired to stand guard. To make him look more dangerous, he wears a beret. However there's no-one to check, so Guy Fawkes is bored and eats a mandarin.

高 = 亠 + 冋 + 口 : A skyscraper.

高 = 亠 + 冋 + 口 : Just in front of the aorta, a huge skyscraper has been erected. It's an important building, so there's a control checkpoint at the entrance, and Guy Fawkes has been hired to stand guard. To make him look more dangerous, he wears a beret. However there's no-one to check, so Guy Fawkes is bored and eats a mandarin.

下 = 一 + 卜 : Mnemonic symbol: from the up/down logic, and a little bit the shape of the character, a ladder.

Xi Shi (xi) is on a retreat in the ashram. Using a voodoo staff (卜), she divined that next (下) week she'll have to play the flute (一) sixteen hours per day. Because she hates playing the flute, she climbs over the ashram's bathroom (a4) wall using a ladder (下) to escape.