JMdict: 1420440

知らん顔 【しらんかお】

  1. [n,vs,vi] feigned ignorance; pretending not to know; pretending not to recognize (someone); ignoring
  2. [n,vs,vi] unconcerned air; indifference; nonchalance
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
知 Know, Wisdom チ し.る, し.らせる 2
顔 Face, Expression ガン かお 2