大小

dàxiǎo
  1. large and small
  2. size
  3. adults and children
  4. consideration of seniority
  5. at any rate

CEDICT

Entry Composition

1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
2 小 xiǎo
  1. small
  2. tiny
  3. few
  4. young