seal the game / seal the win ：鎖定勝局
seal有封口或者確認的意思.
例：Gomez scored another two goals to seal the win.
經(jīng)?？大w育比賽的應(yīng)該知道吧
字典上查到的英文解釋：(written) to make sth definite,so that it cannot be changed or argued about:to seal a contract / deal
使……明確而不可改變
字典上的例句：
◆ She sealed victory with a birdie at the final hole.
最后一洞,她用一個小鳥球鎖定了勝局.（高爾夫比賽中）
win可以作為名詞：勝利.
所以翻譯成“鎖定勝局”最為合適.