あの２人は相性がいいようだ。の英語

It seems those two are made for each other.

It seems the two are made for each other.

It seems that those two are made for each other.

Those two get along.

Those two really hit it off.

Those two make such a cute couple.

Those two are such a cute couple.

They are a good pair―a well-matched pair.

They are a good pair―a good match―a well-matched pair.

That couple gets along well.

That couple is very loving.

Those two don't seem to get on with each other [to hit it off very well].

They are in love with each other.

They are lovers [sweethearts].

They seem to be in love with each other.

They are very much alike.

They are too intimate―too familiar.

They are very compatible.

They make a good pair.

He is the very husband for her, and she is just the wife for him

They are made for each other.

They are on good terms with each other―great friends with each other.

They are on good terms with each other.

They are (as) like as two peas (in a pod).

They seem to be in love with each other.

They are lovers.

They are a good pair―a good match―a well-matched pair.

They are too close.

Were you two close?

They are not a well-matched couple.