tell 告诉,讲(故事) 用法:tell sb sth告诉某人某事,tell a story讲一个故事 say说(话,或具体的内容) 用法:say sth ,sb say...talk谈论,交谈 用法:talk with sb about sth与某人谈论某事 speak,说/讲(某种语言) 用法:...