talk to sb 和 talk with sb 有什么区别

talk to sb 有对某人谈话之意，长辈对晚辈，老师对学生等可用talk to sb ，同辈之间不宜用， talk with sb 是和某人交谈的意思。

talk to sb·是对谁谁谁说，别人可能不回答。
而talk with sb·是和谁谁谁说，别人必须要回答！

to主要表示方向,于是talk to可以理解为"跟...谈",(一个说,一个听)
with主要表示伴随,于是talk with 可以理解为"与...交谈"(两个人你来我往地谈话)

talk to sb.
v.
找某人谈话
talk with
v.
与...交谈, 想说服

talk to sb是主语主动向宾语交谈~
而talk with sb是双方主动交谈~

talk to sb是对某人说话
talk with sb 是和某人说话！！~~

两者都有和某人谈话的意思。
但是talk to sb.还有责备的意思(reprove;reprimand )。
eg.The teacher talked to the student very sharply.
老师严厉地责备了这个学生。

YuhangW is right.
The difference is in the power relationship.You talk to somebody who is inferior to you.You talk with somebody who has equal power or is superior than you.
So,you can talk to your staff but you must talk with your boss.

talk to sb强调单方
比如I talk to you 是强调的you
而talk with sb 强调双方