A feeling of doubt or hesitation regarding morality.
Su escrúpulo al tomar decisiones importantes a veces lo hace dudar de sí mismo y de sus capacidades.
His scruple when making important decisions sometimes makes him doubt himself and his abilities.
A pesar de sus escrúpulos, decidió invertir en la empresa que prometía altos rendimientos.
Despite his scruples, he decided to invest in the company that promised high returns.