英汉词典

1. 绊脚;跌跌撞撞地走;踉跄;步履蹒跚
    If you stumble, you put your foot down awkwardly while you are walking or running and nearly fall over.

    e.g. He stumbled and almost fell...
           他差点被绊倒。
    e.g. I stumbled into the telephone box and dialed 999.
           我跌跌撞撞地进了电话亭拨了 999。

2. (朗读或说话时)结巴，磕磕巴巴
    If you stumble while you are reading aloud or speaking, you make a mistake, and have to pause before saying the words properly.

stumble的翻译

    e.g. ...his voice wavered and he stumbled over the words at one point.
           他声音颤抖，一度说话磕磕巴巴的

相关词组：stumble across