bumble
v.
"to flounder, blunder," 1530s, probably of imitative origin. Related: Bumbled; bumbler; bumbling.
| 词汇 | bumble | 
| 词根词缀 | Online Etymology Dictionary bumble v. "to flounder, blunder," 1530s, probably of imitative origin. Related: Bumbled; bumbler; bumbling. | 
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