Make necessary changes if the sentence requires.)This is what I need: to exercise hard, to get the best body, and to get a good job as a trainer.

The original sentence is a bit fragmented and could be smoother in its expression. Here’s a refined version:

"I need to exercise hard to achieve the best body and secure a good job as a trainer."

Explanation of Changes:

1. Clarity and Flow: The original sentence listed three separate goals, which can feel disjointed. By using “to achieve” and “to secure,” the refined sentence creates a clearer purpose behind each action.
2. Conciseness: The revised sentence eliminates repetitive phrasing while maintaining the original meaning. This makes it more impactful and easier to read.
3. Parallel Structure: The new version maintains a consistent structure by connecting the goals directly with the actions, making it sound more cohesive.

This structured approach can enhance your ability to communicate your ambitions effectively.