This is the 884th most frequent Chinese word.
变成
To become.
Here, "变成" is used to express a desire or goal to change into a different kind of person.
他想变成更好的人。
He wants to become a better person.
In this case, "变成" conveys a remarkable transformation of a large-scale appearance.
沙漠变成了一片绿洲。
The desert turned into an oasis.
In this sentence, "变成" means to change from one state to another, indicating a transformation state.