This is the 7659th most frequent Chinese word.
迈
"迈" means "to stride" or "to step forward."
Here, 迈出 means 'to step forward,' highlighting progression or advancement.
他迈出了人生重要的一步。
He took an important step in his life.
In this context, 迈过 suggests 'to stride over,' indicating the overcoming of challenges.
这台新车可以迈过几乎所有的障碍。
This new vehicle can overcome almost all obstacles.
Here, 迈进 is used to describe physically stepping into a place.