seal the deal片語KK [sil ðə dil] /sil ðə dil/發音片語1成交、敲定交易、達成協議They finally sealed the deal after three months of negotiations.經過三個月的談判,他們終於敲定了這筆交易。2鎖定勝利、確保成功口語Her free throw in the final seconds sealed the deal.她在最後幾秒投進的罰球鎖定了勝局。3定下關係、確立感情口語A weekend trip together sealed the deal for them.一趟週末旅行讓兩人確立了關係。