I have good reasons why at certain moments that was the case.

He recalled a very similar look on his wife's face at a certain moment.

There's certain moments where I can do those things and it actually benefits the team.

Maybe at a certain moment ethnic pride would be important.

At certain moments one saw nothing but legs on the floor.

I think everybody asks for one at a certain moment.

But they find that it began at a certain moment to be a bit limiting.

Then, at a certain moment, I just could not go on with that any longer.

There are certain moments in this play that I must have for it to be clear.

I think there are certain very important moments in games.