名词
中文翻译：Unknown
同义词：
['stagger', 'stumble', 'tread']
例句：
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2.
因疾病或年老而
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3.
在写作中
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1. He stumbled over his words and couldn't find the right words to say.
他结巴了，找不到合适的词来说。
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2. The old man stumbled along the path, unable to walk steadily.
老人蹒跚地沿着小路走，走不稳。
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3. She stumbled over her words when she tried to explain her plan.
她试图解释她的计划时，结巴了。