This is actually similar to the sound of "mm-hmm" when we chat in China. It is a pause in speech, and we often use these when we haven't decided what to say next. Similarly, there is er.

It means thinking, such as "hmm ..." "hmm ..." and so on.

The most commonly used English words are as follows:

1. Mm-hmm: It means that you are listening attentively, affirming each other's words and encouraging them to continue.

2. Express disgust or surprise.

3. Ah: Express pain, disgust or surprise.

4. ouch: it means a sudden tingling.

5. Oh, it means fear or curiosity.

6. Express disgust or fear.

7. er: express surprise.

8. Shh: Keep others quiet.

Extended data:

The affirmative answer is:

Uh-huh, yes, yes, yes, yes, yes, yes, yes, yes, of course, yes, of course.

The negative answer is:

No, no, no, no, no, no.

There are some modal particles in English called discourse markers or discourse fillers. Mastering these modal particles plays a very important role in improving oral English.

These words do not have much meaning in themselves, but mainly play a role in soothing the tone, providing the speaker with time to think about the next topic and lead to the topic. These words are oh, um, like, um and OK (sometimes written as OK).