Mr. Armacost had similar sporadic or second-hand knowledge.
Compare second-hand experience or second-hand knowledge.
This may not appear surprising; it was certainly a serious drawback for Mary as queen that her upbringing had given her only second-hand knowledge of her country.
Up to now Trok had had only second-hand knowledge of the approach march to Gallala, and it seemed that he had been misinformed.
So I hope this video is second-hand knowledge to you.
The boy had no memory of the mother who had died bearing him, and chiefly second-hand knowledge of his emigrant father, Urkut.
Thus, Paroksha is second-hand knowledge.
Images on a home movie, second-hand knowledge of my personality, isn't knowing me, Leo.
One person, with second-hand knowledge of the talks, said a price of around $500 million, not all in cash, was possible.
For Beckett, memory is second-hand knowledge.