a person who has run away, especially from their family or an institution 尤指从家庭或机构中)逃跑者,出逃者 ■[often as modifier]an animal or vehicle that is running out of control 脱缰的牲口;失控的车辆 a runaway train. 一列失控的火车。 ■[as modifier]denoting something happening or done very quickly, easily, or uncontrollably 迅速发生的;轻易取得的;控制不住的 the runaway success of the book. 这本书的迅速走俏。