需

xu̅ = xu + Ø1

to require / to need / to want / necessity / need

需 = 而 + 雨 : Mnemonic symbol: When it rains and you do not want to comb your hair again, you need a rain cape.

需 = 而 + 雨 : It is raining in front of the rain station. Because Xu Xian doesn't want to comb his hair again, he uses a rain cape to stay dry.

需 character breakdown

需
- 而
  - 丆
    - 一
    - 丿
  - 𦉫
- 雨
  - 下
    - 一
    - 卜
      - 丨
      - 丶
  - 丶
  - 冂
    - 丨
    - ㇆
      - 一
      - 亅

而

ér = Ø + Ø2

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

而 = 𦉫 + 丆 : A comb. Albert Einstein is getting ready to go out just inside the entrance of the space station. He put up some loud music on the stereo and tries to comb his hair with his comb and the help of a wind wheel.

雨

yǔ = yu + Ø3

rain / CL:陣|阵[zhen4],場|场[chang2]

雨 = 下 + 丶 + 冂 : It is raining inside of the space station, and because of zero gravity, it is raining in every direction. Yu the Great can't just hide under a ladder covered with petal leaves, she also has to tug herself in a few maps.

雨

yù = yu + Ø4

(literary) to rain / (of rain, snow etc) to fall / to precipitate / to wet