What is the English for play the zither?

Play the guzheng in English: play the zither.

You need to put the in front of zither to refer to it specifically. The English word for guzheng is zither.

Example sentences in English for playing the guzheng:

The yatoga is a Mongolian plucked-string musical instrument (known as the Mongolian zither in Chinese).

Yatog is a Mongolian musical instrument playing plucked(Han Chinese call it, "Mongolian Zheng").

I have a wide range of hobbies, such as playing badminton, swimming, painting, dancing and playing the guzheng.

I have so many favorites such as playing badminton, swimming, drawing, dancing,and playing zithers (kucheng).

Introduction to the Guzheng

The English name for the Guzheng is "Chinese Zither". The Guzheng, also known as the Han Zither, Qin Zither, Yao Zither, and Luan Zither, is a traditional Chinese zither instrument and a plucked instrument. It is one of the most unique and important ethnic musical instruments in China.