wistfully

suspirar com saudade

to let out a deep breath expressing a feeling of sad longing

soltar um suspiro profundo expressando um sentimento de anseio triste

to look at something for a long time with a feeling of sad longing

to think about something with a feeling of sad longing

recordar com saudade

to remember something with a feeling of sad longing

lembrar-se de algo com um sentimento de anseio triste