在英语中关于说的单词有哪些？并请说出它们的不同点以及它们的用法，最好举几个例子。

Don't confuse say,tell,talk and speak.
You say words to someone.
You tell someone facts or information about something.
You talk to someone about a subject.
But you speak a language.

1)Say:说
Say it again in English.
用英语再说一遍。
2)speak:说话
He spoke before the United Nation in New York.
他在纽约向联合国发表演说。
3)tell:讲
He told the news to everybody in the classroom.
他把这个消息告诉了教室里的每个人。
4)talk:谈论I want to talk to your manager about an urgent matter.
我想和你们经理谈一件紧急的事。