副词
中文翻译：焦虑地
同义词：
['worryingly', 'angrily', 'anxiously例句：1. She fretfully reviewed her notes before the exam.（考试前，她焦虑地复习笔记。）']
例句：
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1. She fretfully reviewed her notes before the exam.
考试前，她焦虑地复习笔记。
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2. He was fretfully worried about his son's safety.
他非常担心儿子的安全。
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3. The driver fretfully drove through the heavy traffic.
司机焦虑地驾驶着穿越拥堵的交通。