おいおい

犬（いぬ）が死（し）んだ時（とき）彼（かれ）はおいおいと泣（な）いた。

When his dog died, he cried his heart out.

オイオイ。貸（か）した金（かね）を返（かえ）さないなんてそれはないだろう。

Now just a minute there. I hope you're not trying to tell me you're not going to pay the money back.