We build deep friendship together.

我们一起建立了深厚的友谊。

Deep friendship, how long do heart sisters.

友谊情深似海，心跳多久姐妹做多久。

Blessing of long to show my deep friendship.

一串串长长的祝福，表达我深厚的情谊。

We had a deep friendship that went back many years.

我们深厚的友谊已有多年的时间。

But familiarity does not necessarily imply deep friendship.

但是，熟悉并不必然地意味着深厚的友谊。