唿

hu̅ = hu + Ø1

to whistle (with fingers in one's mouth) / (onom.) for the sound of the wind

唿 character breakdown

唿
- 口
- 忽
  - 勿
    - 丿
    - 勹
      - 丿
      - ㇆
        
        一
        
        亅
  - 心
    - 丶
    - 乚

kǒu = k + ou3

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

Add a new mnemonic for 口 =

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

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忽

hu̅ = hu + Ø1

to neglect / to overlook / to ignore / suddenly

Add a new mnemonic for 忽 = 勿 + 心

忽 = 勿 + 心 : Helga Horse (hu) got new bat wings (勿) and carelessly (忽) flies around in front of the space station (Ø1). Suddenly (忽) she realizes there's no oxygen to breathe and the shock is enough to have her heart (心) nearly jump out of her chest.

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