青蔥歲月

青葱岁月
qīngcōngsuìyuè

one's salad days; best time of one's youth

Wiktionary

Entry Composition

1 青蔥 qīngcōng
  1. scallion
  2. green onion
  3. verdant
  4. lush green
2 歲月 suìyuè
  1. years
  2. time