歃

shà = sh + a4

to drink

歃 character breakdown

歃
- 欠
  - 人
    - 丿
    - ㇏
  - ⺈
    - 刀
      - 丿
      - ㇆
        
        一
        
        亅
- 臿
  - 千
    - 丿
    - 十
      - 一
      - 丨
  - 臼

cha̅ = ch + a1

to separate the grain from the husk

臿 = 千 + 臼 : Charlie Chaplin (ch) is using a kilo (千) and a mortar (臼) to separate grain and husk (臿) in front of the ashram (a1) before the winnowing.

欠

qiàn = qi + an4

to owe / to lack / (literary) to be deficient in / (bound form) yawn / to raise slightly (a part of one's body)

欠 = ⺈ + 人 : The Queen of Hearts (qi) is pretty annoyed by Neanderthal Man (人), who is quarreling with the crane (⺈) in the anthill's bathroom (an4). Neanderthal Man (人) owes the crane money, and the crane is waving with his IOU note (mnemonic symbol for 欠).