英汉词典

1. 代表；代替
    If you do something by proxy, you arrange for someone else to do it for you.

proxy什么意思

    e.g. Those not attending the meeting may vote by proxy.
           那些未出席会议的可以请他人代为投票。

2. 代理人；代替者；替代物
    A proxy is a person or thing that is acting or being used in the place of someone or something else.

proxy在线翻译

    e.g. Price differences are used as a proxy for differences in quality.
           一分钱一分货。