overpay
verb [ T often passive ] uk/ˌəʊ.vəˈpeɪ/ us/ˌoʊ.vɚˈpeɪ/ overpaid | overpaid
多付给…钱;给…过高报酬
to pay someone too much
I felt I should tell my boss she'd overpaid me by $50. 我觉得我应该告诉老板，她多付了我50美元。
disapproving Bankers are grossly overpaid for what they do. 银行家们报酬拿得太高了。
超额偿付（原先同意的定期偿付额，以降低借贷费用）
to pay more than originally agreed when paying back a loan, in order to reduce the cost of the loan
If you budget to overpay your mortgage on a regular basis, you can save a lot of money. 如果你能做好预算经常性的超额偿付按揭贷款，你能省下很多钱。