zhèng sè
adv./n. with a severe countenance; fundamental colors
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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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tā zhèng sè jù jué le nà ge wú lǐ yāo qiú
phr. He refused the rude request with a severe countenance.