1.一般的加油表达为：Come On
2. 朋友考试或者面试前，大家喜欢跟朋友说加油，实际上老外一般会说“Good luck”，祝你好运。
Good luck.You can do it.
3. 当别人情绪低落时，跟别人说加油，可以使用“Cheer Up”
Cheer up. I‘ve got your back
4.如果别人做得很好，想进一步鼓励说他继续加油。keep it up
Keep it up. You're doing a great job.
5. 当别人就快成功了，鼓励对方不放弃，继续加油。Hang in there
Hang in there. You're almost there.
