Musicals are uplifting, and you are sure to leave the theatre humming a cheerful tune.音乐剧可以振奋人心，你离开剧院的时候肯定会哼着一首快乐的小曲。As he left the theatre, the singer was set upon by fans desperate for autographs.那名歌手在离开剧院时被疯狂的歌迷围住索要签名。Hold onto your ticket stub in case you leave the theater and want to come back in again.留好票根，以备离开剧院还想再进来时用。