sudden

an unexpected alteration in condition, situation, or course

an unexpected and rapid death

movimento súbito

a quick, unexpected change in position

uma mudança de posição rápida e inesperada

an unexpected, quick movement or change in position or direction

ataque súbito

an abrupt and violent act of aggression

um ato de agressão abrupto e violento

an unexpected and serious situation requiring immediate action

a short, abrupt pull or twist

transformação súbita

a rapid and complete change in form, appearance, or character

descreve uma transformação que acontece de forma rápida e inesperada

a fierce and destructive attack that begins unexpectedly

a formal term for an unexpected and rapid end, especially of a person or institution