渣

zha̅ = zh + a1

slag (in mining or smelting) / dregs

渣 = 查 + 氵 : James II of England (zh) finds a bottle of water (氵) in front of the ashram (a1) and gives it to a detective (查) to investigate the slag (渣).

渣 character breakdown

渣
- 查
  - 旦
    - 一
    - 日
      - 一
      - 囗
  - 木
    - 八
      - 丿
      - ㇏
    - 十
      - 一
      - 丨
- 氵
  - ⺀
    - 丶
  - ㇀

查

zha̅ = zh + a1

surname Zha

查

chá = ch + a2

to research / to check / to investigate / to examine / to refer to / to look up (e.g. a word in a dictionary)

查 = 旦 + 木 : Mnemonic symbol: a detective.

查 = 旦 + 木 : Just inside the ashram's kitchen, the detective is investigating a passed out Charlie Chaplin who's lying under a Christmas tree. Could it have something to do with the big empty mug which was formerly filled with glühwein?

查

zha̅ = zh + a1

variant of 楂[zha1]

氵

shuǐ = shu + ei3

"water" radical in Chinese characters (Kangxi radical 85), occurring in 沒|没[mei2], 法[fa3], 流[liu2] etc / see also 三點水|三点水[san1 dian3 shui3]

氵 = ⺀ + ㇀ : Mnemonic symbol: a bottle of water. Sheldon Shrimp (shu) enjoys a bottle of water (氵) in the Eiffel Tower's living room (ei3). The got the water by scratching (㇀) a blossom (⺀) and catching the leaking dew in a bottle.