ph.

1. （因自身长大或改变而）改掉（或戒除）（习惯、爱好等）
If you grow out of a type of behaviour or an interest, you stop behaving in that way or having that interest, as you develop or change.

2. （孩子）长大穿不下（原来的衣服）
When a child grows out of an item of clothing, they become so tall or big that it no longer fits them properly.