sew something up

(informal)bring something to a favourable conclusion

(非正式)确保…的成功

they had the match sewn up by half-time.

上半场比赛结束时，他们就稳操胜券了。

sew up 【非正式用语】

To complete successfully

成功地完成

Our team has sewn up the championship.

我们队赢得了冠军

To gain complete control of; monopolize.

控制：获得完全掌握；垄断

To make sure of

确保：肯定

campaign strategists who were trying to sew up the election results.

试图确保选举结果的行动策划者