你已经搬家了吗？请告知你的地址、电话号码等。

Have you moved yet? Pls. advise address, phone no., etc.

《柯林斯英汉双解大词典》

请告知我们您的孩子什么时间不能上课。

Let us know the time your child cannot take the lessons.

youdao

请告知我方您是否会接受。

Please tell us whether you may accept it.

youdao

All right. If you have a conflict, please let us know.

好了，如果你有冲突，请告知我们。

麻省理工公开课 - 计算机科学及编程导论课程节选