dreams or plans that are impossible or unrealistic
мечты или планы, которые невозможны или нереалистичны (mechty ili plany, kotorye nevozmozhny ili nerealistichny)
"He’s always building castles in the air about his future."
"Он всегда строит castles in the air о своем будущем." (On vsegda stroit **castles in the air** o svoem budushchem)
to hear a rumor or unofficial news
something that no longer exists or happens
to keep your plans or intentions secret
to persuade someone to join an activity
to feel stressed or anxious due to responsibilities or expec...
smiling broadly due to happiness
