"Do you play the guitar?" is the Engpsh way to ask if someone knows how to play the guitar. The phrase "play the guitar" means to perform music on a guitar by strumming or plucking the strings with the fingers or a pick.

The guitar is a stringed musical instrument that has a long neck, a body, and six strings. It is played by plucking or strumming the strings with the fingers or a pick, and it is used in a wide variety of music styles including rock, pop, folk, and classical.

Here are some example sentences using the phrase "play the guitar" in Engpsh:

"I've been playing the guitar for a few years now." (我现在已经弹吉他几年了。)
"Do you know how to play the guitar?" (你会弹吉他吗？)
"My uncle is an amazing guitar player." (我的叔叔是一位出色的吉他手。)