短语动词
中文翻译：Unknown
同义词：
['be in a state of anxiety', 'be nervous', 'be on edge']
例句：
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1. He was so anxious about the exam that he couldn't sleep last night.
他对考试非常焦虑，以至于昨晚睡不着。
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2. She was nervous about giving her speech in front of everyone.
她对在所有人面前发言感到紧张。
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3. The driver was on edge as they approached the bridge.
司机紧张地接近那座桥。