1. An indication, signal, or evidence that suggests something positive or favorable may happen; a glimmer of optimism or encouragement in a difficult situation
The doctor's positive test results were a sign of hope for the patient's recovery.
Os resultados positivos do teste foram um sinal de esperança para a recuperação do paciente.
2. A symbolic gesture, event, or occurrence interpreted as bringing optimism or encouragement
The arrival of spring flowers is a sign of hope after a long winter.
A chegada das flores da primavera é um sinal de esperança após um longo inverno.