だけあって-ийн хэл зүйн хайлтын үр дүн

だけ

Because of A, (natural results) B, As much as A can be done, as much as one wants/likes A, Only A、Just A

だけ

Just, Because of, as much as..

だけのことはある

It's not surprising that A, A is no surprise, A is no wonder