success,成功，成就，-ful,形容词后缀。

1. I wasn't successful, so they looked down on me.

我一无所成，所以他们瞧不起我。

2. One of the keys to successful business is careful planning.

打造成功企业的关键之一就是要精心策划。

3. Was he born to be successful, or did he just luck out?

是他命中注定会成功，还是仅仅交了好运？

4. Both had successful careers and the future looked bright.

两个人都事业有成，前程似锦。

5. We have been successful because we are offering a quality service.

我们因提供的服务水准一流一直经营得很成功。