To get along is to have a friendly easy relationship with somebody. No arguments, and no effort needed.
It takes with. British English says get on far more often and means exactly the same thing, so getting on well with your colleagues is the more natural phrasing here. There is a second sense meaning to manage, since getting along without something means coping without it. And getting along in years is a gentle way of saying somebody is getting old.
1phraseget alongTo have a friendly relationship with someone.
“The two of them get along surprisingly well.”
2phrasemanageTo manage or cope.
“We shall get along perfectly well without a car.”
Also accepted in games: get on
Practised in Phrasal Verbs, A Man Called Ove
First appears in chapter 7 of A Man Called Ove.
Practise this word