overstep something—go beyond the bounds of smth.; overcome specific limitations:
- Some brave women in each age may have tried to overstep the limits set for them.
step over something—
1. lift the feet so as to pass above smth.:
- We had to step over piles of broken bricks.
2. = overstep something 2:
- We’re always flattered when people are having fun, as long as they don’t step over the boundaries.