Definition (認識)
To be acquainted with a person's name but have no direct personal experience with them.
聫開內名字
I know him by name, but I don't believe we've ever actually met.
我知道他的名字，但我認為我們從未真正見過面。
Many people know her by name but have never actually met her in person.
許多人知道她的名字，但從未真正見過她本人。
I only knew him by name, so I didn't recognize him immediately when we met.
我只知道他的名字，所以我們見面時我沒有立即認出他。