stumbled
v.
（不顺畅地）说( stumble的过去式和过去分词 );
跌跌撞撞地走;
绊脚;
（说话、演奏等）出错;
例句:
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I stumbled through mud to a yard strewn with straw.
我跌跌撞撞地趟过泥地来到一个堆满麦秆的场院。
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She stumbled and fell, scraping her palms and knees.
她绊了一下摔倒了，手掌和膝盖都蹭破了。
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The lights mysteriously failed, and we stumbled around in complete darkness.
灯不知怎么地不亮了，我们在一片黑暗中跌跌撞撞地走着。
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Perkin had stumbled upon the molecular magic of aniline.
来自SA
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But Iacoboni may have stumbled on a promising treatment.
来自SA
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The Tory leader stumbled over his marriage tax plans.
来自THETIMES