“久违的朋友” 英语怎么说？

a friend which is long time no see--这是中文说法，我特地问了国外的朋友说没那个说法的，昏昏。。

i haven't see my friend for a long time--正宗说法

everlasting--持续永远友情

friends who haven't been seen for a long time

a friend who you have not seen for a long time

old friend