Definition
To tip the balance or scales means to be the deciding factor that changes a situation or determines an outcome when other possibilities exist.
打破平衡；起决定性作用
A crucial penalty in the final minutes tipped the balance, securing their team's victory.
最后几分钟的一个关键罚球打破了平衡，确保了他们球队的胜利。
Despite many factors being considered, this new piece of evidence ultimately tipped the balance, leading them to their decision.
尽管考虑了许多因素，这项新的证据最终打破了平衡，使他们做出了决定。
She was hesitant between the two jobs, but in the end, the higher salary tipped the balance, leading her to choose this one.
她对两份工作犹豫不决，但最终较高的薪水打破了平衡，促使她选择了这一份。