Run before you can walk
To attempt something advanced before mastering the basics.
English
Run before you can walk
Tiếng Việt
Chưa học bò chớ lo học chạy.
Làm việc khó trước khi thạo việc dễ.
Examples
- He wanted to write a novel before finishing a short story — running before he could walk.
- Don't run before you can walk: learn the scales first.