open-and-shut

This is not an open-and-shut case despite how many people would like to believe it is.

Sounds like an open-and-shut case, but German director Ilker Çatak argues that the rules of integrity are as flimsy as the rules of surviving a horror flick.

As such, it would seem to be close to an open-and-shut case: If you want a healthy night's sleep, stay away from electronic devices in the period before you go to bed.

So, this would appear to be an open-and-shut case.

It’s an open-and-shut case of bias by omission from the Fourth Estate: If you don’t see it and can’t read it, it doesn’t exist.