1. 哼哼哈哈：Helvetic 瑞誓基督徒 | hem and haw 哼哼哈哈 | hem in 包围
2. 吞吞吐吐：(on speaking sharply) one doesn't really mean what one has said 有口无心 | hem and haw 吞吞吐吐 | hidden meaning between the lines 言外(下)之意
3. 嗯嗯呃呃：settle into:习惯于 | hem and haw:嗯嗯呃呃 | nibble:啃,轻咬
4.
4. 支支吾吾：fly by night不可靠 | hem and haw支支吾吾 | deadhead蹭戏之人
verb
1. utter `hems'' and `haws''
indicated hesitation
e.g. He hemmed and hawed when asked to address the crowd