Definition: used to say who is treated in a particular way or who or what is affected by something Level: B1
你对你的头发做了什么？
___What have you done ___to your hair?
我认为这些信息可能对你的研究非常有帮助。
I think this information could be very helpful ___to your research.
我的新邻居们对我非常好。
My new neighbors have been incredibly kind ___to me.
