足足儿

足足兒
jújūr
  1. (Beijing Mandarin) no less than; as many as; as much as
  2. no less than; as many as; as much as

Wiktionary

Entry Composition

1 足足 zúzú
  1. fully
  2. no less than
  3. as much as
  4. extremely
=2 儿 ér
  1. child
  2. son
=2 儿 r
  1. non-syllabic diminutive suffix
  2. retroflex final