详细解释:vi. 结结巴巴地说, 犯大错, 踉跄, 跌倒
词型变化：
动词过去式:bumbled过去分词:bumbled现在分词:bumbling第三人称单数:bumbles英语解释：
动词 bumble:
make a mess of, destroy or ruin同义词：botch, bodge, fumble, botch up, muff, blow, flub, screw up, ball up, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up