"弹吉他" is the Chinese word for "play the guitar." In Engpsh, we might say "play guitar" or "strum the guitar." It's important to note that "弹吉他" is a verb in Chinese, but in Engpsh, "play" or "strum" can be used as verbs. For example:

I love to play the guitar in my free time.
She's really good at strumming the guitar.

I hope this helps! Let me know if you have any other questions.