Acquaintance
noun
You've probably seen the words 知る and 合う by now. This is someone you "know" because you have "come together" before, but that's pretty much it. You don't really know them well, you just met them a couple times so you know who they are. This person is an acquaintance.
The readings are that of 知る and 合う. So long as you know those words, you should be able to read this one too.
知り合いになる
to make someone's acquaintance
知り合いに聞く
to ask an acquaintance
知り合いにもらう
to receive from an acquaintance
知り合いの人
an acquaintance
知り合いの家
an acquaintance's home
知り合いの会社
an acquaintance's company
知り合いがいる
to have an acquaintance, there is an acquaintance
知り合いができる
to make a new acquaintance
知り合いが来る
an acquaintance comes
お知り合いですか？
Do you know each other?
知り合いだから、ちょっと聞いてみるよ。
Since I know that person, I'll ask them about it.
アイツと知り合いだとはゼッタイにバレたくない。
I absolutely don't want it to be known that I'm acquainted with them.