Meanings (ES + gloss)
afilar • aguzar • amolar
To sharpen with a hone; to whet.
agudizar • aguzar • subtilizar • sutilizar
To refine (a skill especially) by learning.
He also honed the procedure known as cut and fill - whereby the spoil from railway cuttings was used to build up embankments.
Huh? Training in your room under the torchlight / Hone that form to get you ready for the big fight
agudizar • aguzar
To make more acute, intense, or effective.