不老少

bùlǎoshǎo
  1. (colloquial) many; much
  2. many; much

Wiktionary

Entry Composition

1 不老 bùlǎo
  1. (literary) eternal youth; immortality
  2. eternal youth; immortality
=2 少 shǎo
  1. few
  2. less
  3. to lack
  4. to be missing
  5. to stop (doing sth)
  6. seldom
=2 少 shào young