When communicating in Chinese you may often make mistakes using Chinese grammar like:

False:

    我说她了，下周来。

    Wǒ shuō tā le, xià zhōu lái.

True:

    我告诉她了，下周来。

    Wǒ ɡàosu tā le, xià zhōu lái.

 

可以理解为谓语动词后边有两个宾语，一个指人（“他”），一个是一件事（“下星期学弟第三本书”）。应该把“说”改为“告诉”。

The predicate verb here may be considered to have two objects, with one referring to the person(他)；The other referring to the event（下周来）. We replace 说 by 告诉.