um

He ummed and ahhed for a long time before making a decision.

他支支吾吾了半天才做出决定。

Try not to say um too often in your speech.

在演讲中尽量不要说太多的“嗯”。

Her presentation was filled with ums and pauses.

她的演讲充满了嗯声和停顿。

Good speakers avoid excessive ums.

好的演讲者会避免过多的嗯声。

The teacher counted the ums in each student's speech.

老师统计了每个学生演讲中的嗯声次数。

He kept saying um uh while searching for the right word.

他在找合适的词时不停地说嗯呃。