| 单词 | hum and haw | 
| 释义 | hum and haw  or hem and haw phraseSee full dictionary entry for  haw If you  hem and haw, or in British English  hum and haw, you take a long time to say something because you cannot think of the right words, or because you are not sure what to say.   Tim hemmed and hawed, but finally told his boss the truth.   | 
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