talk with sb...
with表示“和”然后嘞..就表示,注重的是两个人一起,互动式滴~一般用在简单句~
eg.I talked with my friends this afternoon about our homework`
指今天下午,我和我的朋友一起谈论作业.
talk to sb...
to表示“对..”就翻译成,有点是命令或者是告诉的意思..比较单方面的陈诉~一般会跟从句.
eg.I talked to my friends we need to fininsh our homework as soon as possible this afternoon.
指今天下午,我告诉我的朋友我们必须尽快完成作业.