Examples of using "なぜそんなことをしたの。" in a sentence and their english translations:
Why did you do that?
- Why did he do that?
- Why did she do it?
- What did you do that for?
- Why did you do that?
- Why did you do this?
- What did you do it for?
- Why did you do what you did?
- Why did you just do that?
Mother asked us why we had done that.
Why on earth did you do that?
He wondered why she did that.