[求譯] hemmed and hawed

[motorolas (挑戰下一個階段)]

 Even as US Olympic Committee officials hemmed and hawed about the numbers,
 US athletes gave every indication they would walk with their usual swagger
into London.

 我不了解hemmd and hawed 的意思是什麼?

  網路字典查到 hem 摺邊  haw  山楂樹

   合起來還是看不懂它的意思

請高手指教 , Thanks a lot.

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推 vicwk:這裡當"支吾其詞"?
→ dunchee:http://www.learnersdictionary.com/search/hem%5B3%5D
→ dunchee:(如果link有問題-> 查hem -> 選 3) hem (verb)
→ dunchee:http://dictionary.reference.com/browse/haw?s=t
→ dunchee:(有字源)  hem你自己查
→ motorolas:OK，I got it. Thanks!