To have unrealistic or impractical plans or dreams.
Tener planes o sueños poco realistas o poco prácticos. (Tener planes o sueños poco realistas o poco prácticos.)
"She’s always building castles in the air, dreaming of a perfect world."
"Ella siempre está construyendo castillos en el aire, soñando con un mundo perfecto." (Ella siempre está **construyendo castillos en el aire**, soñando con un mundo perfecto.)
to be the person who controls or makes decisions in a family
to start fresh or make a new beginning
At the right or appropriate time.
to choose not to participate
to strengthen or support something
a son behaves like his father