The emergency team is at call 24/7 to handle any crisis.

The so-called experts were proven wrong.

He is what is called a champion of justice.

I called shotgun.

I heard someone call out my name from across the street.

I always request a morning call when I stay at a hotel.

The audience gave a standing ovation during the curtain call.

The teacher took roll call to check attendance.

I need to call a meeting to discuss the new project.

During the heated debate, the participants resorted to name-calling, which only served to escalate the tension in the room.