相互そうご理解りかい
sō gorikai

Noun
Suru Verb

1. mutual understanding

両国りょうこくかん文化ぶんか交流こうりゅうすすむにしたがって、相互そうご理解りかい一段いちだんふかまっていった。
ryōkokukanno bunkakōryūga susumuni shitagatte sōgorikaimo ichidanto fukamatte itta.
As cultural exchange continued between the two countries, their mutual understanding became even deeper.