If you have the foundation of guzheng, you will only learn it faster. Because most music theories are interlinked. The instruments are connected together.
The biggest difficulty for ordinary college students to learn piano is that they have no music foundation, and they will feel bored and unwilling to persist, but you have no problem with it.
Second, choose the right direction and take the exam? Hobbies? Impromptu accompaniment? . . . Choose a direction that suits you, then choose a good teacher. There are teachers in general musical instruments. Moreover, the most important thing is to keep practicing. You have studied musical instruments and know, "Master, please come in. Practice depends on individuals. " . Rome was not built in a day ~
Practice hard and ask questions frequently. No problem! ~
My best student is a junior girl with no musical instrument foundation. She can play the A paragraph of "Worm Fly" and "To Alice" for three months with both hands, and there are many etudes. Because she is very diligent, she usually has less time to shop online.
It is important to remember to practice every day.