stumble

1.绊脚（on/over sth）=trip
The child stumbled and fell.
孩子绊了一下，摔倒了。
I stumbled over a rock.
我在石头上绊了一下。
2.跌跌撞撞地行走；蹒跚而行
We were stumbling around in the dark looking for candle.
黑暗中，我们东跌西撞地找蜡烛。
3.（不顺畅地）说；读；演奏(over/through sth)
In her nervousness she stumbled over her words.
她因为紧张说话结结巴巴的。
I stumbled through the piano piece with difficulty.
我断断续续地好不容易弹完了那支钢琴曲。

stumble across/on/upon sth/sb
意外发现；偶然遇见
Police have stumbled across a huge drugs ring.
警方无意中发现一个庞大的贩毒集团。

stumble into sth
无意间涉足某事
I stumbled into acting when I left college.
我从大学毕业后无意间进了演艺界。

stumbling block=obstacle
绊脚石；障碍物

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