gnawing, chewing
Para deixá-lo faminto, roendo as correntes.
To leave him starving, gnawing at his chains.
— RRR: Revolta, Rebelião, Revolução (2022)
Tom está roendo as unhas.
Tom is biting his nails.
Maria estava nervosamente roendo as unhas.
Maria was nervously biting her nails.
Tom está roendo unhas.