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。