He is a second-string player who can replace the main player.

My second cousin is coming to visit next week.

The office is located on the second floor.

He is a second-rate actor.

For him, playing the piano is second nature.

I changed my mind after giving it a second thought.

This restaurant is the second-best in town.

He always feels like a second-class citizen in his own country.

On second thought, I think I'll pass on going to the party.

In a split second, the car swerved to avoid hitting the pedestrian.