çöplükteki elmas

listen to the pronunciation of çöplükteki elmas
Türkçe - İngilizce
diamond in the rough
An uncut diamond
A person whose goodness or other positive qualities are hidden by a harsh or unremarkable surface appearance

That auto mechanic is a diamond in the rough, tough-talking, but honest, even generous.

someone who behaves in a slightly rude way, but is really kind and generous British Equivalent: rough diamond
{i} uncut diamond, unpolished diamond; person who is talented but lacks courtesy or refinement