动词
中文翻译：Unknown
同义词：
['镇定，从容，泰然，自如，自若，镇静，沉着，泰然处之']
例句：
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1. He was able to calm down the situation with a calm and composed demeanor.
他以冷静和从容的态度使局势得以平息。
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2. She maintained her composure during the crisis, showing great fortitude.
在危机中，她保持镇定，表现出极大的勇气。
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3. The captain led his crew through the storm with a sense of unwavering confidence.
船长带领船员穿越暴风雨，展现出坚定不移的信心。