短语中文翻译
中文翻译：面带严肃
同义词：
['face grimly', 'look sternly']
例句：
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1.He walked into the room with a straight face, not even glancing at his colleagues.
他板着脸走进房间，甚至没有看同事一眼。
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2. The teacher told the students to sit down and keep quiet with a straight face.
老师告诉学生们坐下并保持安静，面无表情。
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3.She was so angry that she couldn't help but give him a straight face.
她非常生气，忍不住给了他一个严肃的面孔。