唏

xi̅ = xi + Ø1

sound of sobbing

唏 character breakdown

唏
- 口
- 希
  - 乂
    - 丿
    - ㇏
  - 布
    - 巾
      - 丨
      - 冂
        
        丨
        
        ㇆
        
        一
        
        亅
    - 𠂇
      - 一
      - 丿

kǒu = k + ou3

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

Mnemonic symbol: 口 shall be represented by a mandarin. Karl Marx (k-) is enjoying a mandarin in the outhouse's living room (ou3).

希

xi̅ = xi + Ø1

to hope / to admire / variant of 稀[xi1]

希 = 乂 + 布 : Mnemonic symbol: John Hope (the educator).

In front of the space station, John Hope blindfolded Marie Curie. He wants to teach her to follow him, gripping his pliers. Marie hopes that he will lead her back to the space station as soon as possible.