Examples:

• He should have put his foot down and said it was all far too early.
• Things can’t carry on like this; you’ll have to put your foot down.
• She put her foot down and said that there was no way she would allow her daughters to attend a party with no adults present.
• You’ll just have to put your foot down and tell him he can’t stay out on school nights.
• When she started borrowing my clothes without asking, I had to put my foot down.
• You can't just let him do what he wants, you'll have to put your foot down.
• The road ahead was clear, so I put my foot down.
• We were nearing the camp, so I aimed for the ruts in the track and put my foot down.
• We're going to be late unless you put your foot down.
• You'd better put your foot down before those kids get completely out of control.
• I got onto the motorway and really put my foot down.
• Later still My silly wee sister has put her feet down and refuses to let me near her Power Pack.
• The kids complained and complained when we refused to get a puppy, but we had to put our foot down.
• They could have put their foot down and dragged us into court.
• As a manager, you have to put your foot down sometimes, or your staff will walk all over you.
• Rice, however, put his foot down and made what he called his first policy decision.
• Finding a clear stretch of the motorway, he put his foot down.
• I put my foot down and the car began to move forward.
• You can’t let your kids stay up all night. You have to put your foot down and establish a firm bedtime.
• She didn't answer, just put her foot down and sent the Cortina faster and faster through the night.
• I wanted to take a year off before college, but my mother put her foot down.
• Shelley got her ears pierced without telling her parents but her mother put her foot down when she tried to get a tattoo!