(adj.) situated or taking place in the area of a stage not visible to the audience; 'offstage noises' .
(adj.) concealed from public view or attention; 'offstage political meetings' .
(adv.) not in public; 'the deal was done offstage'.
(adv.) behind the scenes; not on stage; 'the actors were waiting offstage'.
手打:利奥波德