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Jyutping cau1 hou4
Pinyin qiū háo

Definitions (CC-CEDICT)
  1. fine hair grown by animals (or down grown by birds) in the fall
  2. (fig.) sth barely discernible
  3. the slightest thing
  4. the minutest detail
Definitions (Wiktionary)
  1. adv, literary
    a small amount; a little bit; in the slightest
  2. noun, archaic
    the extremely fine feathers which birds grow in autumn
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    明察秋毫
    明察秋毫
    ming4 caat3 cau1 hou4
    • discover the minutest detail in everything. lit: able to see the fine down of birds in autumn.
  2. Cantonese
    明察秋毫
    明察秋毫
    • to observe something clearly and in detail