seal the deal片语KK [sil ðə dil] /sil ðə dil/发音片语1成交、敲定交易、达成协议They finally sealed the deal after three months of negotiations.经过三个月的谈判,他们终于敲定了这笔交易。2锁定胜利、确保成功口语Her free throw in the final seconds sealed the deal.她在最后几秒投进的罚球锁定了胜局。3定下关系、确立感情口语A weekend trip together sealed the deal for them.一趟周末旅行让两人确立了关系。用这个字练口说→