They talked like old pals.

他们像老朋友一样交谈。

《柯林斯英汉双解大词典》

Dear old PALS, jolly old PALS.

亲爱的老朋友，快乐的老朋友。

youdao

For all you know, she and your current boss are old PALS.

你怎么知道她和你现在的老板是不是老朋友呢。

youdao

If old pals thought Ko was acting oddly, no one foresaw what would come next.

CNN: NIGHTMARE IN NEW YORK

McGhee revealed that he had been in touch with his old pals before taking the job at Fir Park.

BBC: SPORT | Football | My Club | Motherwell | McGhee out to make his mark

He may leave that to the old pals, Biden and McConnell, in future.

BBC: Shoving the battle down the road