keep pace并驾齐驱；齐步并进
keep pace with并驾齐驱，保持同步
keep track通晓事态，注意动向
keep out阻止进入
keep away防范；不接近
keep to oneself保守秘密；不交际
keep working继续工作；永不停顿
keep in touch with与…保持联系
keep away from远离，回避
keep healthy保持健康
keep an eye on v. 照看；留意；密切注视
keep moving继续前进
keep out of置身于外
keep abreast of与……并驾齐驱；了解……的最新情况