Definition
This phrase is used to demand an explanation or justification from someone who has done something wrong or inappropriate.
你有什么东西可以解释？
You broke the vase, what do you have to say for yourself?
你打破了花瓶，你有什么要解释的吗？
You're so late, what do you have to say for yourself?
你这么晚才来，你有什么要解释的吗？
I found you cheating on the exam, what do you have to say for yourself?
我发现你考试作弊，你有什么要解释的吗？