a well-to-do family
A well-off family is an idiom, and the Pinyin is Ji à D à oxi à OK à ng, which means that the family economy is relatively affluent.
explain
Family way: family background; well off: medium level. The family economy is relatively prosperous
usage
Subject predicate type; used as attribute and object; refers to the relatively affluent family economy
Examples
He is the opposite of a poor family
a well-to-do family
flunk the civil service examination - pù sāi lóng mén
be situated at the foot of a hill and beside a stream - yī shān bàng shuǐ