七大姑八大姨

distant relatives

seven / 7

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

father's oldest sister / husband's older sister / sister-in-law

paternal aunt / husband's sister / husband's mother (old) / nun / for the time being (literary)

eight; 8

aunt (mother's eldest sister) / (respectful term of address for a woman who is about the age of one's mother)

mother's sister / aunt