an acquired taste
US /ən əˌkwaɪərd ˈteɪst/
UK /ən əˌkwaɪərd ˈteɪst/

1.
un gusto adquirido, algo que se aprende a apreciar
something that you dislike at first, but that you learn to like after you have tried it a few times
:
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Olives are an acquired taste for many people.
Las aceitunas son un gusto adquirido para muchas personas.
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At first, I didn't like the strong flavor of blue cheese, but now it's an acquired taste.
Al principio, no me gustaba el sabor fuerte del queso azul, pero ahora es un gusto adquirido.