我介绍一下儿 ?
Hi, I'm trying to know what's the meaning of "一下儿" in "我介绍一下儿 ------" , I know what it's supposed to mean by its own, but I can't understand how it works in the sentence.

Can you help me?

Question

我介绍一下儿 ?
Hi, I'm trying to know what's the meaning of "一下儿" in "我介绍一下儿 ------" , I know what it's supposed to mean by its own, but I can't understand how it works in the sentence.

Can you help me?

Answer

If you say '我介绍‘， its like saying 'Let me introduce myself'
If you say '我介绍一下儿‘， its like saying 'Let me give a bit of an introduction to myself'

Just softens the language a bit, makes one sound a bit more humble.

Answer

As a Chinese who living at in South China  I don't know what's meat of 一下儿 
1. 一下 ：例句， 打扰一下。  请让一下。 等我一下。 请让我来介绍一下这本书。 你过来一下。
2. 一下子 ： 例句，他一下子就停了下来。 他一开口唱歌，,把大家一下子惊呆了。

Answer

Here 一下儿 has no meaning really. It is more like a 'softener' , it is a way of being polite.