英语中的四个“说”怎么用

say   说   要有内容   say ... (to sb)   He can say goodbye (to others).

speak  说；讲      指说话的能力或讲某一种语言   New born babies can't speak.  He can speak English.

talk  谈话   强调相互性   talk to/ with sb  about sth   He is talking with Mary about the TV show.

tell  告诉     tell sb about sth   Please tell me about your life.