a blast from the past

US /ə blæst frəm ðə pæst/
UK /ə blæst frəm ðə pæst/
"a blast from the past" picture
1.

과거의 한 조각, 옛 추억

something that strongly reminds one of an earlier time

:
Hearing that old song was really a blast from the past.
그 옛날 노래를 듣는 것은 정말 과거의 한 조각이었다.
Seeing my old school uniform was a blast from the past.
옛날 교복을 보는 것은 과거의 한 조각이었다.