★well-off可当成一个单独的形容词，也可以短语well off的形式作形容词使用，一般是作表语时无连字符，作定语时有连字符，但在现代英语中基本可以通用。作为形容词，它的比较级和最高级分别是better-off和best-off。具体短语及用法如下：

well-off (或well off)——富裕的，有钱的

well-off society——小康社会

be well off for sth——有充裕的某物，有够多的某物

be better off ( 介词短语／现在分词)——处境更佳；境遇更好

you don't know when you're well off——身在福中不知福

★实战演练：

Her grandparents were quite well off.

她的祖父母很富有。

In building a well-off society in an all-round way,it is of vital importance to take economic development as the central task and keep releasing and developing the productive forces.

全面建设小康社会，最根本的是坚持以经济建设为中心，不断解放和发展社会生产力。

We are well off for public transport here.

我们这里公共交通发达。

Many Americans don't work because they think they are better off getting welfare.

许多美国人不工作因为他们认为领社会救济金更好。

You really don't know when you're well off.

你真是不知好歹。