大学英语：rightful adj. 合法的;正义的;正当的

请注意区别right和rightful.Right强调同事实没有偏差，rightful指事物符合道德或法律的约束。

　　1)He regained his rightful place on the English throne.(他恢复了应属于他的英国王位。)

　　2)The rightful heir should obtain his rightful inheritance.(合法的继承人应获得其合法的继承权。)

　　3)It is the right approach to the command of grammar.(这是掌握语法的正确途径。)

　　4)I believe what he said is right.(我相信他说的是对的。)