动词
中文翻译：Unknown
同义词：
['persuading', 'persuading', 'convincing']
例句：
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1. The speaker stumped for hours to make his point.
演讲者努力说服了几个小时来表达他的观点。
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2. She stumped her way through the crowd to get to the front of the stage.
她努力挤过人群，到达舞台前。
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3. He stumped up the last few miles on foot.
他步行最后几英里。