1.stay the course 奋力贯彻始终
例句：Your job is to not lose hope and to stay the course with your strongest desire true in your heart.
你所要做的就是绝不放弃希望，并且在坚持的过程中心中能够始终怀有坚定的期望。
2.stay up 不去睡；停留在上面，不倒，不沉
例句：I used to stay up late with my mom and watch movies.
我过去常和妈妈熬夜看电影。
3.stem from 起源于,由……造成
例句：But if your problems stem from the nature of the work itself, then read on.
但是如果你的问题源于工作本身，那么你就继续读下去。
4.step by step —步一步地，逐步地
例句：They have to go step by step.
他们必须脚踏实地，一步步来。
5.step up 向上去；加快，加速；增加，逐步提高
例句：He urged donors to step up their efforts to send aid to Somalia.
他敦促捐赠者再接再厉，将救援物资送往索马里。
6.stick around 呆在附近，等在旁边；逗留，留下
例句：I never stick around quite long enough to make it, well I deserve nothing more than I get.
我也没有坚持足够长的时间去使它成为现实，那么我只配得到这么一点。