Maybe if you started working out, you would put a little meat on those scrawny arms of yours.Tal vez si empezaras a levantar pesas, fortalecerías un poco esos brazos flacos.
The poor apprentice's scrawny body made everyone think that his master didn't feed him very well.El cuerpo descarnado del pobre aprendiz hizo pensar a todos que su amo no lo alimentaba bien.