and I work with them and you know, they hit their goal. That's when I feel the best about it.

我跟他们一起练，他们达成目标。那时候我感觉最好。

成为教练的理由 - SpeakingMax英语口语达人

Or perhaps, you could set a goal to lose weight and you could work very hard.

又或者，你制定了一个减肥的目标，你为此而努力坚持着。

I'm frustrated 课堂 - SpeakingMax英语口语达人