1. please repeat what you just said.

Pardon me — what did you say your name was?

2. I am sorry for what I just did.

Oh, I beg your pardon! I didn't see your foot there!

3. May I please have your attention?.

Pardon me, does this train go to Oakland?

4. I do not agree with what you just said.

Pardon me, but I think you've got it backwards.

Related vocabulary: excuse me

• the ball is in someone's court
• the ball is in your court
• the balloon goes up
• the bandwagon effect
• the bane of life
• the bane of your life
• the bare bones
• the battle lines are drawn
• the battle of the sexes
• the be-all and end-all
• the beau monde
• the beauty of
• the beauty of something
• the beginning of the end
• the best of both worlds
• the best of the best
• the best of the lot
• the best thing since sliced bread
• the better part of
• the better part of something
• the Bible Belt
• the big daddy
• the bigger they are, the harder they fall.
• the big picture
• the big smoke