2 adjectives to describe manos

A physician in Rome, whom I had occasion to call in for a slight illness, took an opportunity on his first visit to put a very considerable buona mano into the hands of my servant, in order to secure future calls.

El sacerdote que oficiaba sentía temblar sus manos, porque Aquél que levantaba en ellas, Aquél á quien saludaban hombres y arcángeles era su Dios; era su Dios, y le parecía haber visto abrirse los cielos y trasfigurarse la Hostia.

2 adjectives to describe  manos