at second hand

• adv. 第二手地，间接地

at second hand的用法和样例：

例句

1. I only heard the news at second hand.
   我只是间接听到这个消息的。
2. Most of our knowledge is at second hand.
   我们的大部分知识是间接的。
3. I hear a lot about the war at second hand from my father.
   我从父亲那儿间接地听说了许多有关这次战争的事。
4. I was too young to remember the war but I have heard a lot about it at second hand from my father.
   我当时年纪太小，记不得战争的事，但我间接地从父亲那里听到了许多当时的情况。