疾言厉色 harsh words, stern expression
Explanation
疾言厉色是一个成语，意思是说话急躁，脸色严厉。形容对人发怒说话时的神情。
Jíyán lìsè is an idiom that means to speak hastily and with a stern expression. It describes the expression of someone who is angry.
Origin Story
从前，有个脾气暴躁的县令，一天，他正处理公务，突然听到有人大声喧哗，他猛地抬起头，怒目圆睁，疾言厉色地呵斥道：“大胆！竟敢在公堂上喧哗！来人，给我拖出去！”吓得喧哗的人赶紧闭嘴，大气也不敢出。县令这才继续处理公务，但他心里却隐隐不安，因为他意识到自己刚才的举动太过粗鲁，以后应该尽量控制自己的情绪，和颜悦色地处理问题。
Once upon a time, there was a county magistrate with a bad temper. One day, while he was handling official business, he suddenly heard someone shouting loudly. He quickly raised his head, his eyes wide with anger, and he scolded sharply: "How dare you make noise in the court! Bring him out!" The person who was making noise immediately shut up, not daring to breathe. The magistrate then continued to handle official business, but he felt uneasy in his heart because he realized that his behavior had been too rude. He decided that in the future he should try to control his emotions and handle problems calmly and kindly.
Usage
形容说话和脸色都很严厉，多用于批评别人的场合。
It describes someone who speaks and looks stern, mostly used when criticizing others.
Examples
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老师对他疾言厉色，他吓得不敢说话。
laoshi dui ta ji yan li se, ta xia de bugan shuohua.
The teacher spoke to him sharply, and he was too scared to speak.
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他疾言厉色地批评了我的错误。
ta ji yan li se di pipingle wo de cuowu.
He sharply criticized my mistake.