at second hand的用法和樣例：
例句
- I only heard the news at second hand.
我只是間接聽到這個消息的。 - Most of our knowledge is at second hand.
我們的大部分知識是間接的。 - I hear a lot about the war at second hand from my father.
我從父親那兒間接地聽說了許多有關這次戰爭的事。 - I was too young to remember the war but I have heard a lot about it at second hand from my father.
我當時年紀太小，記不得戰爭的事，但我間接地從父親那裡聽到了許多當時的情況。
