あんなsuch (about something or someone distant from both speaker and listener, or about a situation unfamiliar to both speaker and listener), so, that, sort of

あんな人(ひと)は知(し)りません。

I don't know that kind of person.

あんな服(ふく)は嫌(きら)いです。

I hate that kind of clothing.

あんな美(うつく)しい景色(けしき)を見(み)たのは生(う)まれて初(はじ)めてだった。

Seeing a view that beautiful was the first time since I was born.

彼(かれ)があんなに優(やさ)しい人(ひと)だと知(し)り、驚(おどろ)きました。

I was surprised finding out that he was that much of a nice person.

あんな美味(おい)しい料理(りょうり)をまた食(た)べられるように、仕事(しごと)を頑張(がんば)ります。

I will give it my all at work in order to be able to eat cooking that delicious again.