pick a fight (with (someone))

to intentionally start a fight or argument with someone.

When she was first in Congress, she foolishly picked a fight with a very powerful politician.

• on account of something
• on a dime
• on agenda
• on a knife-edge
• on all fours
• on an empty stomach
• on an even keel
• on a par with
• on a par with someone
• on a par with something
• on a roll
• on a shoestring
• on a silver platter
• on a slippery slope
• on a tangent
• on automatic pilot
• on a wing and a prayer
• on back
• on balance
• on behalf of
• on behalf of someone
• on bended knee
• on bended knees
• on best behavior
• on blocks