察察為明 [－－为－]

Jyutping caat3 caat3 wai4 ming4
Pinyin chá chá wéi míng

Definitions (CC-CEDICT)
  1. keenly observant of trivial details
Definitions (Wiktionary)
  1. phrase, idiomatic
    to think one is discerning and shrewd for focusing on minutiae, but neglecting the bigger picture
    (syn.) 察察而明