We have a big family dinner.

我们有一个大家庭聚餐。

At the Spring Festival, we have a big family dinner.

在春节，我们有一个大家庭聚餐。

We also have a big family dinner on the Chinese New Year's Eve.

我们还在除夕夜吃团圆饭。

We always have a big family dinner on Easter.

我们总是在复活节举行盛大的家庭晚宴。

We always have a big family dinner on Thanksgiving.

我们总是在感恩节举行一个大家庭聚餐。