appeal n．请求，呼吁 v．求助，诉请，要求，控诉
例句：Mark appealed against the five-year sentence he had been given.
petition n．请愿，请愿书 v．请求．恳求，请愿
例句：Leo signed a petition in support of the workers' demands.
例句：Jimmy knew he had hurt her and begged her to forgive him.
plead vi. 辩护，恳求vt．为……辩护，借口．托称
例句：Jack pleaded with his mother to allow him to go to the circus.
例句：Frank did not attend the dinner; his plea was that he was too busyto come.