ask somebody for an explanation

Three months ago we asked for an apology and an explanation.

If you encounter this problem, ask your doctor for an explanation.

A little later the captain asked me for an explanation.

If you don't understand the answers, always ask for an explanation.

"If that didn't happen, I would have asked for a very clear explanation."

"Would you think me rude if I asked for an explanation?"

I called the loan officer and asked for an explanation.

Following this hearing, I asked him for a clear explanation of his position.

But he didn't have the energy to ask for an explanation.

They won't ask you for an explanation, and don't offer any.