1、not a bit= not at all -Do you mind if i smoke here? -Not a bit. Do, please. 一点也不。

2、请吧。

3、 not a little: ad. 不少(很多) Examples: 1. I am so sorry to give you not a little trouble. 真抱歉给你添了这么多麻烦。

4、 2. She was not a little (ie very) worried about the expense. 她对那笔开支相当苦恼.