need,需要，-ful,形容词后缀。

1. His last book, "Needful Things", was a retread of tired material.

他的上一本书《必需品》尽在重复些老掉牙的内容。

2. The section of society most needful of such guidance is the young male.

最需要这种指导的社会群体是青年男性。

3. In order to live, I must have what you call " the needful ", which I can got only by working.

为了生活, 我必需要你所谓的 “ 钱 ”, 而我只有工作才能挣钱.

4. As she made the needful preparations her courage failed her.

当她作必要的准备时,她的勇气背叛她了.

5. Food, clothing and shelter are needful for the maintenance of health.

衣、食 、 住是维持健康所必需的.