1. 事业;职业;生涯
    A career is the job or profession that someone does for a long period of their life.

    e.g. She is now concentrating on a career as a fashion designer...
           她目前正专注于服装设计师的工作。
    e.g. Dennis had recently begun a successful career conducting opera.
           丹尼斯最近开始从事歌剧指挥的工作,并且非常成功。

2. 工作岁月;职业生涯
    Your career is the part of your life that you spend working.

    e.g. During his career, he wrote more than fifty plays...
           在他的创作生涯中,他写下了50多部剧本。
    e.g. She began her career as a teacher.
           她开始了自己的教师生涯。

3. 就业的;择业的
    Careers advice or guidance in British English, or career advice or guidance in American English, consists of information about different jobs and help with deciding what kind of job you want to do.

    e.g. She received very little careers guidance when young...
           她年轻时基本没有接受过就业指导。
    e.g. Get hold of the company list from your careers advisory service.
           到就业指导处领取企业名录。

4. (人、车辆失控地)猛冲，疾驶
    If a person or vehicle careers somewhere, they move fast and in an uncontrolled way.

career的反义词

    e.g. His car careered into a river...
           他的车一头冲入河里。
    e.g. He went careering off down the track.
           他控制不住，冲出了赛道。