Idiom: go back on something
— I'm so angry! My parents said I could go to the party Saturday but now they've gone back on their promise.
— If we go back on our promise to give everyone a holiday bonus, employee morale will be terrible.
— I can't trust you anymore since you frequently go back on your promises.
— If we go back on moving into the apartment, we'll lose our security deposit.
— I hope you're not going back on the decision to hire an administrative assistant. We really need the support.
— I had a feeling our client would go back on our verbal agreement and now there's little we can do since we don't have a contract.
— If my boss goes back on his promise again to give me a promotion, I will definitely quit.
— I thought we had an agreement. If you go back on your promise to get the kids from school on Wednesdays and Fridays, I'll miss my water aerobics class.
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