hum and hah的用法和樣例：
例句
- He just hummed and hahed, and finally refused to commit himself.
他只是嗯嗯呃呃，最后還是拒絕表態(tài)。 - He hummed and hawed but finally told me the truth.
他先是支支吾吾，可最后還是跟我說(shuō)了實(shí)話(huà)。 - Speak in a faltering and stammering manner.
說(shuō)話(huà)支支吾吾，結結巴巴。 - Don't stand humming and hawing, but speak out.
有話(huà)痛痛快快說(shuō)出來(lái)，不要吞吞吐吐的。 - The thief made a confession in bits and pieces.
竊賊吞吞吐吐作了招供。
