keepv.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 neat保持整洁

1. One should keep pace with the times.
   一个人应该跟上时代的步伐。
2. I was put to it to keep up with his pace.
   我跟上他是不容易的。