とうまくやっている

get along well with

→ と
phrase Rare #38,986
get along well with と marks the person or people someone gets along with.
JA: 彼女は新しい同僚とうまくやっている。
EN: She gets along well with her new coworker.

妻は私の母とうまくやっている。

My wife gets along well with my mother.

彼は自分が雇っている人とうまくやっている。

He gets along well with his employees.

彼は近所の人とうまくやっている。

He gets along well with his neighbors.

その謙虚な男は近所の人達とうまくやっている。

That humble man gets along well with the people in his neighborhood.