a blast from the past
US /ə blæst frəm ðə pæst/
UK /ə blæst frəm ðə pæst/

1.
勾起往事, 旧事重提
something that strongly reminds one of an earlier time
:
•
Hearing that old song was really a blast from the past.
听到那首老歌真是勾起了往事。
•
Seeing my old school uniform was a blast from the past.
看到我的旧校服真是勾起了往事。