english

除not at all外，單獨使用at all可以增加句子的意思，例如：

I don't feel like to go out at all.

增加左「唔想出街」既意思。

2009-01-23 14:27:43 補充：
applied to negative sentences

At all
Examples:
1) A: You may take my seat, lady.
B: Thank you very much, young man.
A: Not at all. ( It is like " you are welcome( adjective)".)

2) A: She won again!
B: I was not surprised at all. She is always a good singer.
" at all" = in the slightest degree
3) I don't mean to hurt your feelings at all.
" at all" = in any way
4) Why are you reporting it to the police at all?
" at all" = for any reason
2-3 definitions from dictionary.com

886

其實 AT ALL 既真正意思係 : 根本 / 究竟

1. (否定句)絲毫;根本
I don't like her at all.
我一點都不喜歡她。

2. (問句、條件句及肯定句內表示強調)究竟
He'll come before 12 if he comes at all.
如果他真的要來的話,肯定在十二點以前。
Is it at all possible that he alone can drink ten bottles of beer?
難道他真的能獨個兒飲十瓶啤酒嗎?

2009-01-23 22:33:42 補充：
論據: http://hk.dictionary.yahoo.com/search.html?s=at+all

what is the meaning of(at all)?
意思指:[絲毫;根本]

usually used in the phrase "not at all". it is an...exaggerated way of saying "no".

Example:

A: Am I being too loud?

B: Oh no, not at all!