Verb
utter `hems' and `haws'; indicated hesitation
Source: WordNetHe hemmed and hawed when asked to address the crowd Source: Internet
He complained Republican Sen. Chuck Grassley of Iowa would 'hem and haw about this or that problem he had with the bill without telling us what exactly it would take to get him to yes.' Source: Internet
They’ll hem and haw and say stuff like, “It might be possible, but it would be very difficult” or “I know how you feel. Source: Internet