Dictionary / Vocabulary / 開き直る
ひらきなおる
to become defiant; to fight back; to turn upon; to take the offensive
common word Also written 開きなおる、開き治る
彼は警官に対して急に開き直った。
He suddenly took a defiant attitude toward the police officer.
「相変わらず、親バカね」「親バカの何が悪い？」「わぁ、開き直っちゃった」
"You're a doting parent as always, huh?" "What's wrong with being a doting parent?" "Yikes, you got defensive."
開き直られても困る。
Giving me an attitude won't solve anything.