not know someone from Adam
US /nɑt noʊ ˈsʌm.wʌn frəm ˈæd.əm/
UK /nɑt noʊ ˈsʌm.wʌn frəm ˈæd.əm/
1.
根本不認識某人, 完全不知道某人是誰
to not know someone at all; to have no idea who someone is
:
•
When the stranger approached me, I realized I did not know him from Adam.
當陌生人走近我時，我意識到我根本不認識他。
•
She claimed to be my cousin, but I did not know her from Adam.
她聲稱是我的表妹，但我根本不認識她。