ān fèn
adj. knowing one's place, not going beyond one's bounds
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Simplified stroke orders are based on the 'Standard of National Commonly-used Mandarin Chinese Characters (现代汉语通用字笔顺规范)', issued by the China National Language and Character Working Committee (国家语言文字工作委员会) on April 7th 1997. Traditional stroke orders are based on information issued by the Taiwan Ministry of Education.
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ān fèn shóu jǐ
phr. fulfill one's duty and exercise one's self-control, keep one's nose clean
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mā ma jiào dáo wǒ men yào zuò ān fèn shóu jǐ de rén .
phr. Mother taught us to keep our nose clean.
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zhè xiǎo hái hěn bù ān fèn
phr. The child is really unruly.