An bhfuil cead agam dul go dtí an leithreas?

Possibly the most-common sentence in Irish

One of the most-spoken utterances in the Irish language is a request for permission to use the restroom.

In school, Irish is a required subject. In Irish class, you have to speak it.

Few people have any skill in Irish, and it's not spoken in a typical household.

But you're probably going to have to ask the teacher if you can go to the toilet.