HSK 6
认错
rèncuò动
to admit an error; to acknowledge one's mistake
他知道错了马上向母亲认错。
Tā zhī dào cuò le mǎ shàng xiàng mǔ qīn rèn cuò.
He realized his mistake and immediately admitted it to his mother.
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New in the HSK 3.0 word list at level 6.