楼主要的***17个短语，俺都找了一遍~
hold up v.举起, 支撑, 继续下去, 阻挡, 拦截
例：Which businesses hold up well in a recession? 在经济萧条时期做什么生意能撑下去
hold back v.踌躇, 阻止, 抑制, 隐瞒
例：This king of comedy doesn't hold back 喜剧之王没有退却
hold down v.压制, 抑制, 缩减, 牵制, 垂下
例：Bush budget to hold down domestic spending 小不死正预算削减内需
hold on v.继续, 不挂断, 停止
例：Hold On, Your Honor 阁下，请先别挂电话
hold to v.坚持, 紧握
例：Candidates Hold to Their Stances on Iran - New York Times
候选人坚持对伊朗的一贯政策——《纽约金融时报》
keep in mind 紧记
例：The most important thing to keep in mind is that you should always assume good faith on the part of other editors 需要铭记在心的是你在其他编辑面前要保持好的姿态。
keep an eye on v.照看, 密切注视
例：Keep an eye on my kid, thanks 帮我照顾下孩子，谢了
keep in touch with v.与...保持联络
例：Say you will keep in touch with me 答应我，你会和我保持联系
keep sb company 与某人结交，入伙
例：Hi bro, keep me company, okey? 老兄，也算我一个，好吗？
keep in order使遵守秩序，维持秩序
例：Matriarch with an unruly family to keep in order .女族长正维持一个庞大的家族
keep pace with v.并驾齐驱
例：Work hard so you can keep pace with him 你要努力才能和他并驾齐驱
keep track of v.明了
例：A file to keep track of the single mice of each line 一项能看清楚每只小白鼠的实验
keep up v.不低落, 维持, 继续
例：Keep up this great resource 把这项资源丰富起来
keep up with v.跟上
例：We can't keep up with demand for Kindle 我们（供给的燃料）满足不了燃烧的需要
knock into v.撞上
例：Mary knocked into Jack when she walking on the street corner 玛丽在街道拐角处遇见了杰克
knock at 敲打
例：Knock at the heaven’s door 敲天堂的门（很著名的英文歌曲）
knock off v.敲掉, 击倒, <口>(从价格、帐单等中)减去，除去
例：Joe, I'm going to knock off work early this afternoon. 乔，我今天下午要早点收工。