to begin to move
Example:
- The horse started off at a steady trot.
to begin happening; to begin doing something
Example:
- The discussion started off mildly enough.
to begin by doing or being something
Example:
- Let's start off with some gentle exercises.
- We started off by introducing ourselves.
- We'll start off by doing some warm-up exercises.
- The leaves start off green but turn red later.
- I started off working quite hard, but it didn't last.