second-hand

形容词旧的，二手的; 用过的; 间接得来的; （学说等）不是独创的

名词旧货; （钟表的）秒针

副词间接地; 第二手地

1. 二手的;用过的;旧的
    Second-hand things are not new and have been owned by someone else.

    e.g. Buying a second-hand car can be a risky business.
           买二手车可能有风险。
    e.g. ...a stack of second-hand books.
           一摞旧书

2. 卖旧货的
    A second-hand shop sells second-hand goods.

3. (故事、观点、信息)第二手的，间接的，非亲身经历的
    Second-hand stories, information, or opinions are those you learn about from other people rather than directly or from your own experience.

    e.g. He conceded that second-hand accounts are leading to rumour and counter-rumour...
           他承认道听途说会引发谣言和辟谣。
    e.g. The denunciation was made on the basis of second-hand information.
           这些指责是依据二手信息提出的。

4. at second hand -> see second