Your sound good, but not enough solid basic skills. ??

你的声音不错，但是基本功不够扎实。??。

youdao

For another, basic skills are the solid foundation of advanced skills.

另一个方面，基本技能是高级技能的坚实基础。

youdao

For another, basic skills are the solid foundation of advanced skills.

另一个方面，基本技能是高级技能的坚实基础。

youdao