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Jyutping cau1 gim2
Pinyin chōu jiǎn

Definitions (CC-CEDICT)
  1. sampling
  2. spot check
  3. random test
Definitions (Wiktionary)
  1. verb
    to make spot checks; to test randomly
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)