I envy you having such a close family.

我羡慕你有这么一个亲密的家庭。

We're a very close family.

我们全家彼此亲密无间。

They seem to be a very close family.

他们似乎是一个十分亲密的家庭。

We are a close family.

我们一家人很亲密。

Only very close family members and friends were invited.

只有家里的亲友和最最好的朋友被邀参加。