七大姑八大姨

qīdàgūbādàyí
distant relatives

CEDICT

  1. (colloquial) various (female) relatives
  2. various (female) relatives

Wiktionary

Entry Composition

1 七 qī
  1. seven
  2. 7
2 大姑 dàgū
  1. father's oldest sister
  2. husband's older sister
  3. sister-in-law
3 八 bā eight
4 大姨 dàyí
  1. aunt (mother's eldest sister)
  2. (respectful term of address for a woman who is about the age of one's mother)