と仲が良い

get along well with

→ と
phrase Rare #29,444
get along well with Used to describe having a good relationship with someone. と marks the person you have a good relationship with. 仲がいい is the same expression in a less formal spelling.
JA: 私は姉と仲が良いです。
EN: I get along well with my older sister.

私は近所の人と仲が良い

I’m on good terms with my neighbor.

彼は級友と仲が良い

He gets along well with his classmates.

彼はブラウンさんと仲が良い

He is close to Mr. Brown.