I decided to take a stab at learning Japanese.

She is always at her best in the morning.

The old man shuffled along the street in his down-at-heel shoes.

The gentleman at arms protected the British king.

The master-at-arms is responsible for maintaining security on the ship.

At the end of the day , it's important to prioritize your health.

I'm not going to argue with you, leave it at that .

The people applaud politely when speakers lash out at Gov.

I decided to drop in at the bookstore on my way home.

At is the chemical symbol for astatine.