性

xìng = xi + (e)ng4

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]

性 = 忄 + 生 : Marie Curie had a strong character since she was little. Even in her cradle in the engine's bathroom she was only playing with a flail.

性 character breakdown

性
- 忄
- 生
  - 一
  - 牛
    - 十
      - 一
      - 丨
    - 𠂉
      - 一
      - 丿

忄

xi̅n = xi + (e)n1

Kangxi radical 61 (心) as a vertical side element

Looks a bit like a flail.

生

she̅ng = sh + (e)ng1

to be born / to give birth / life / to grow / raw / uncooked / student

生 = 牛 + 一 : Mnemonic symbol: a cradle.

Sherlock Holmes (sh) comforts a crying baby bull (牛) in a cradle (生) in front of the engine ((e)ng1) and plays him a tune on a flute (一).