Pick-me-up 提神的饮料或者食物
I'm too exhausted. I have been preparing for my exam all night. I need some pick-me-up, such as a little bit chocolate or a cup of coffee. 好累啊。为了准备考试我通宵了。现在我得来点儿巧克力或者咖啡提提神。

Jolt 振奋一下
I need a jolt of caffeine. 我得来点儿咖啡提提神。