Occasionally she and a friend would sneak off during their free study hour.偶尔，她会在上自习课的时候和一位朋友溜出去。We tried to sneak off from work early.我们试图偷偷溜走提早下班。Don't try and sneak off, Perkins, I haven't finished with you yet.珀金斯，你别想溜走，我还没收拾完你呢。While his parents were busy, Joe sneaked off to play.父母正在忙碌时，乔偷偷溜出去玩耍。