She was on the verge of tears.

The item I ordered is currently on back order.

He always hits the nail on the head with his comments.

She is always on the ball and never misses a deadline.

He is on the run from the police.

The defendant is currently on trial for the murder charges.

The manager put pressure on the employees to meet the deadline.

I will cheer on my favorite team during the game.

As a team leader, it's my job to oversee the project and make sure everything is on track .

The scandal was a great blot on the escutcheon of the family.