老小老小

lǎoxiǎolǎoxiǎo
(coll.) as one ages, one becomes more and more like a child

CEDICT

colloquial

Entry Composition

1 老小 lǎoxiǎo
  1. the old and the young
  2. the youngest member of the family
2 老小 lǎoxiǎo
  1. the old and the young
  2. the youngest member of the family