英和和英

They are of kin to each other.

They're related to each other.

They like each other.

They have [are in] a boss‐and‐henchman [protector‐and‐protege] relationship..

They have become estranged from each other.

They are on good terms with each other.

They faced each other.

They are none of them [None of them are] any different from him.

They are sympathizing with each other.

They are next door neighbors.

They compete with one another.

Their contempt is mutual.

They're very thick together.

They are talking with each other.

They are confident in each other.

They believe in each other.

They looked at each other.

They admire each other.

They are both close.

They know each other very well.

They resemble each other in all respects.

They looked at each other [each other's faces].

They communicate with each other by mail.

There is a correlation between them.

They are in the same camp.

There seems to be some discord between them.

They are hostile to each other.

They have mutual respect.

Are they both acquaintances?

They lived in harmony with each other.