名詞 old-timer:

1. an experienced person who has been through many battles; someone who has given long service
   同義詞：veteran, oldtimer, old hand, warhorse, old stager, stager
2. an elderly man
   同義詞：oldtimer, gaffer, old geezer, antique

形容詞 old-time:

1. attractively old-fashioned (but not necessarily authentic)
   同義詞：old-time, quaint, olde worlde

old-tim.er

n.Informal （名詞）【非正式用語】

An elderly person.
老人
A person with considerable tenure or experience in a given place or activity; a veteran.
老居民（職員，會員），老手：在一定的地方有相當(dāng)多土地財產(chǎn)的人或在一定的職位上或活動有相當(dāng)閱歷、經(jīng)驗的人；老年人
Something very old or antiquated.
很古老的或陳舊的東西