Encara no tenim significats per a "leave unpolished".
1No console had been left unpolished, no monitor left uncleaned.
2In the Paleolithic stage, stone implements were chipped to rude shapes and left unpolished.
3Her features were as excellent as her form, appearing to have been rough-hewn with a broadaxe, and left unpolished.
4Indeed Sandcastles, another old school ballad, is endearing for the fact that Beyonce's vocals have been left unpolished - she woke up like this.