The Vietnamese word "vũ đài" is a noun that translates to "stage" or "arena" in English. It refers to a place where performances, competitions, or events take place. You can think of it as a special area designed for shows, concerts, sports events, or any kind of public display.
While the primary meaning of "vũ đài" is related to physical spaces for performances or competitions, in a figurative sense, it can also imply a platform for discussion or conflict.