词典释义：
释义
v.
trip or momentarily lose one's balance; almost fall
绊脚；绊跌，绊倒
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her foot caught a shoe and she stumbled .她的脚在一只鞋上绊了一下，差点摔倒。
[with adverbial of direction]trip repeatedly as one walks
跌跌撞撞地走，蹒跚而行
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his legs still weak, he stumbled after them .他的腿仍然虚弱，步履蹒跚地跟在他们后面。
make a mistake or repeated mistakes in speaking
结结巴巴说话，一再出错地说话
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she stumbled over the words .她说话结结巴巴。
(
偶然遇到；碰巧找到
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a policeman had stumbled across a gang of youths .警察偶然碰上一群结帮青年。
n.
an act of stumbling
绊脚；绊跌，绊倒；说话结结巴巴。
a stumbling walk
跌跌撞撞地走，蹒跚而行
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he parodied my groping stumble across the stage .他嘲弄地模仿我跌跌撞撞摸索着走过舞台的样子。
词源
"Middle English （as a verb）： from Old Norse, from the Germanic base of
