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Jyutping jim4 caa4
Pinyin yán chá

Definitions (CC-CEDICT)
  1. to investigate strictly
Definitions (Wiktionary)
  1. verb
    to strictly (嚴格/严格 (yángé)) investigate or examine (查驗/查验 (cháyàn)); to scrutinise
  2. verb
    to seriously (嚴肅/严肃 (yánsù)) investigate and prosecute (查處/查处 (cháchǔ))
  3. verb
    to carefully (嚴格/严格 (yángé)) search (查找 (cházhǎo)); to search in every nook and cranny