keep mum参照 mumkeepv.保持；保留；继续；贮藏；经营；遵守；供给；照管；饲养；耽搁；保持食物不变质；健康状况如何；保守（秘密@）；记录；遵守；保护n.生计；保存；城堡主楼；监狱；围墙keep up fine tradition保持优良传统keeping from ill weeds防除恶性杂草keep one's perspective中间链表keep one's appointment守约Keep On the Sunny Side永远面向阳光keep ... company陪伴keep a watchful eye on密切注意Keep away from boilers远离锅炉Keep in a good mood.你必须冷静下来。keep a certain distance保持一定距离

1. One that keeps score in various games.
   记分员在各种比赛中记分的人