一家人
The phrase 一家人 (yī jiā rén) means "a family" or "the whole family," referring to all the members of one household as a unit. It commonly appears at the beginning of stories or descriptions to introduce a family. The structure uses 家 as a measure word for families.
一家人坐在一起吃了顿团圆饭。
yì jiā rén zuò zài yìqǐ chī le dùn tuányuánfàn.
The whole family sat together and had a reunion dinner.
这一家人从北方搬到了南方生活。
zhè yì jiā rén cóng běifāng bān dào le nánfāng shēnghuó.
This family moved from the north to the south to live.
周末一家人去公园散步,感觉特别幸福。
zhōumò yì jiā rén qù gōngyuán sànbù, gǎnjué tèbié xìngfú.
On the weekend the whole family went for a walk in the park, it felt especially happy.