not know any better
成語所屬單字know
not know any better — 慣用語
1. To behave badly because you have not been taught the correct way.
1.慣用語
釋義
不懂事
To behave badly because you have not been taught the correct way.
例句
The child didn't know any better and took the toy without asking.
Don't be angry at the puppy; it doesn't know any better.