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.

　　马克对被判五年徒刑提出上诉。

　　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.

　　雷欧在请愿书上签名，支持工人的请求。

　　beg v.请求，乞求

　　例句：Jimmy knew he had hurt her and begged her to forgive him.

　　吉米自知伤了她的心而央求她原谅。

　　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.

　　杰克请求他母亲答应他去看马戏。

　　plea n.恳求，请求，辩解，借口

　　例句：Frank did not attend the dinner; his plea was that he was too busyto come.

　　弗兰克没有参加那次宴会，借口是他太忙不能来。