dreams or plans that are impossible or unrealistic
des rêves ou des projets impossibles ou irréalistes (des reves ou des projets impossibles ou irrealisitques)
"He’s always building castles in the air about his future."
"Il est toujours en train de construire des castles in the air à propos de son avenir." (il est toujours en train de construire des **castles in the air** a propos de son avenir)
to recover quickly after a setback or failure
To make an important new discovery or innovation; to do some...
deceitful; pretending to be friendly while being dishonest
to imitate or follow someone’s good example
to be patient; to wait
to have the right to speak in a discussion