Get along (with someone): have a good relationship with someone
（人と）付き合う、（人と）良い関係をもつ、仲良くする

Susan: Look at our daughters. They certainly get along, don't they?

Kate: Yes. They have been friends for years, so it makes sense.

スーザン：うちの娘たちを見て。あの子たち仲が良いわよね。
ケイト：そうね。何年も良い友達でいるのもわかるわね。