Que saudade ! ( I miss you )

In Portuguese , we use the word "Saudade" ( in the singular , or in the plural, Saudades ) to express a feeling of longing for someone, something, some place, or a time that has passed. Sentir Saudades is equivalent to "to miss" ( something, someone, etc. ); matar (as ) saudades refers to the opportunity to see again a person or a place that you miss, or to experience again something that you miss. 
Ref: (Beginner's Brazilian Portuguese)