4 sentences

1. 我们一家人每天晚上六点准时吃晚饭。

   wǒ​men yī​jiā rén měi tiān wǎn​shang liù diǎn zhǔn​shí chī wǎn​fàn.

   Our family eats dinner at six o'clock sharp every night.

   Source: Dong Chinese Dictionary

2. 我们一家四口打算今年夏天去南方旅游。

   wǒ​men yī​jiā sì kǒu dǎ​suàn jīn​nián xià​tiān qù nán​fāng lǚ​yóu.

   Our family of four plans to travel to the south this summer.

   Source: Dong Chinese Dictionary

3. 这是一家非常有名的老店。

   zhè shì yī​jiā fēi​cháng yǒu​míng de lǎo diàn.

   This is a very famous old shop.

   Source: Dong Chinese Dictionary

4. 既然大家都是一家，就不必见外了。

   jì​rán dà​jiā dōu shì yī​jiā, jiù bù​bì jiàn​wài le.

   Since we're all family, there's no need to stand on ceremony.

   Source: Dong Chinese Dictionary