1、意思很多，总结一下就是“某项活动进行得快”，such as:
2、Experts say ethanol is better for your car, especially if you want to go fast.
3、专家说道乙醇对你的车更好，尤其是如果你想开快。
4、You arent trying to go fast or long on a recovery run.
5、不要在恢复性跑步中试图跑很快或很长。
6、Diesel is going to go fast and will be needed for any sort of communication.
7、柴油的消耗很快，将来所有的通信都将依靠柴油了。祈祷。