1.worth:beworth+n.当名词为金钱时,表示"……值得……"
beworthdoingsth."……某事值得被做"
Thequestionisnotworthdiscussingagainandagain.
2.worthy:beworthyof+n.当名词为抽象名词时表示"……值得……"
beworthytobedone"某事值得被做"
Thequestionisnotworthytobediscussedagainandagain.
3.worth-while:beworth-whiletodosth"值得做某事"
worthwhile:Itisworthwhiledoingsth
Itisworthwhilesbtodosth.
wellworthdoing:非常值得被(固定表达,不用very)