really 的用法？及例句

real：是形容词，真的，形容名词，真金子，real gold
really：是副词，真地，用于动词前

有四个解释:
1. 真地,确实,实际上
Did she really say that?
她真的那么说了?
2. 很,十分,全然
It's really cold today.
今天很冷。
3. (用以加强语气)实在,其实
You ought really to have asked me first, you know.
要知道,你本应先问一问我的。
4. (表示疑问、惊讶、恼怒等)真的;是吗;真是的
Well, really! You needn't have said that.
咳,真是的!你当时实在没有必要那么说。