JMdict: 2117360

いい子になる 【いいこになる】

  1. [exp,v5r] to make oneself popular without any regard to others; to take all the credit to oneself; to turn out well (of a child)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Child, Sign Of The Rat, 11pm-1am, First Sign Of Chinese Zodiac シ, ス, ツ こ, -こ, ね