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Jyutping tau3 pik1
Pinyin tòu pì

Definitions (Wiktionary)
  1. adj
    thorough; well-researched; analytical and incisive
    (syn.) 透底, 锐利, 锋利, 銳利, 透徹, 精闢, 尖锐, 透彻, 尖銳, 鋒利, 犀利, 精辟

透闢 [-辟]

Jyutping
Pinyin tòu pì

Definitions (CC-CEDICT)
  1. penetrating
  2. incisive