用

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

用 = 丨 + 月 : Mnemonic symbol: a first aid kit. Can you see the cross on the container?

用 = 丨 + 月 : Yu the Great hurt her leg when she slipped in the engine's bathroom. The moon helps her to splint her leg using the bathroom's first aid kit and a dinosaur bone.

用 character breakdown

用
- 丨
- 月
  - 二
    - 一
  - ⺆
    - 丿
    - ㇆
      - 一
      - 亅

丨

gǔn = gu + (e)n3

radical in Chinese characters (Kangxi radical 2)

Mnemonic symbol: a dinosaur bone. Gitta Giraffe (gu-) found a gorgeous dinosaur bone (丨) in the encampment's living room ((e)n3).

丨

shù = shu + Ø4

vertical stroke (in Chinese characters), referred to as 豎筆|竖笔[shu4 bi3]

Mnemonic symbol: a dinosaur bone. Sheldon Shrimp (shu) found a gorgeous dinosaur bone (丨) in the space station's bathroom (Ø4) and is cracking it open to eat its bone marrow.

月

yuè = yu + e4

moon / month / monthly / CL:個|个[ge4],輪|轮[lun2]

月 = ⺆ + 二 : Yu the Great (yu) is modelling a moon (月) in the elevator's bathroom (e4). He uses a stapler (⺆) to staple a lot of capacitors (二) together to form a moon shape, while the real moon is sitting for him.