secondhand

二手的、中古的、旧的

She bought a secondhand bike for less than a hundred dollars.

她花不到一百美元买了一辆二手自行车。

二手的、转手的

The shop sells secondhand clothes and vintage furniture.

这家店贩售二手衣物和古董家具。

间接的、传闻的

All we have is secondhand information from a neighbor.

我们手上只有邻居转述的间接消息。

二手的用于烟害等

Long exposure to secondhand smoke can damage children's lungs.

长期吸入二手烟会损害儿童的肺部。

买二手、以中古方式

We usually buy our textbooks secondhand to save money.

我们通常买二手教科书来省钱。

间接地、从别人口中

I only heard about the layoffs secondhand, so I can't confirm it.

裁员的事我只是间接听说的，无法确认。