spring chicken
US /ˈsprɪŋ ˈtʃɪk.ɪn/
UK /ˈsprɪŋ ˈtʃɪk.ɪn/

1.
anak muda, orang muda
a young person, especially a young woman (often used in negative contexts to imply someone is no longer young)
:
•
She's no spring chicken, but she's still very active.
Dia bukan anak muda lagi, tetapi dia masih sangat aktif.
•
At 70, he's certainly no spring chicken, but he still runs marathons.
Pada usia 70 tahun, dia pastinya bukan anak muda lagi, tetapi dia masih berlari maraton.