名词短语
中文翻译：担心天会塌下来的人同义词
同义词：
['fearful of the sky', 'person who worries about the sky falling']
例句：
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1. The old man was so worried that he couldn't sleep at night.
那个老人非常担心，以至于晚上睡不着。
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2. He is a person who worries about the sky falling.
他是一个担心天会塌下来的人。
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3. Many people are afraid of flying and worry about the sky falling.
许多人害怕飞行，担心天空会塌下来。