This is the 8738th most frequent Polish word.
robią
"Robią" means "they do" or "they make" in English.
In this sentence, "robią" is used as the standard present tense form of the verb "robić" (to do) for the third person plural, meaning "do".
Ludzie robią różne rzeczy w wolnym czasie.
People do various things in their free time.
Here, "robią" is utilized to describe an ongoing action performed by the third person plural, equating the verb "robić" to "cleaning up" in this context.
Oni robią porządek w garażu.
They are cleaning up in the garage.
In this interrogative sentence, "robią" is applied to ask about the current activity of the third person plural, translating to "are doing".