Alphabetic B
badger - To repeatedly and annoyingly ask someone to do something.
Every time that Arnold asked Samantha to go out on a date, she would tell him firmly ‘No’. But each time he saw her, he would badger her again and again about wanting to go out, and again she said 'No!'
Blast - To explode or destroy something or someone with explosives, or to break through or hit something with a similar, very strong force

While building the tunnel through the mountain, the construction crew blasted its way day by day until it was finished.