如果用who he is又用老逸的詞， 可以這樣：

來源: 於 2011-10-10 20:52:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

it's just like you made an acquaintance long ago and you can't make out who he is after years of separation.

or

it's just like you made an acquaintance long ago and you can't recognize him after years of separation

etc...