fù mǔ
father and mother
parents
yī shí fù mǔ
the people one depends upon for one's livelihood
one's bread and butter
fù mǔ shuāng wáng
to have lost both one's parents
yì fù mǔ
foster parents
adoptive parents
shēng fù mǔ
biological parents
natural parents
zài shēng fù mǔ
like a second parent (idiom); one's great benefactor
dài tì fù mǔ
in place of sb's parents
in loco parentis (law)