关于at all

at all
1.In any way:
根本：无论如何：
unable to walk at all.
根本没法走
2.To any extent; whatever:
丝毫，一点：无论在任何程度上；不管怎样：
not at all sorry.
一点也不后悔

at all 根本
一般用not...at all 根本不

用于否定意义的句子 加强语气
i don't like it at all.
there's nothing at all.
have you done anything helpful at all?

常用的是not... at all一点也不
构成短语"don'like sth at all”一点也不喜欢某物