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relation; relationship
あの二人ふたりはとても仲なかがいいよね。
Those two get along very well.
彼女かのじょとは仲なかよく良くやっていきたい。
I want to get along well with her.
兄弟きょうだいの仲なかが悪いわるいのは悲しいかなしいね。
It's sad when siblings don't get along.