in your salad days
US /ɪn jʊər ˈsæləd deɪz/
UK /ɪn jʊər ˈsæləd deɪz/

1.
在年轻的时候, 在青葱岁月
the period of youth, when one is inexperienced or immature
:
•
Back in your salad days, did you ever imagine you'd be doing this?
在你年轻的时候,你有没有想过你会做这个?
•
He made some foolish decisions in his salad days.
他年轻的时候做了一些愚蠢的决定。