to be lost in thought or imagination
быть потерянным в мыслях или воображении (byt' poteryannym v mysljakh ili voobrazhenii)
"He didn’t hear me because he was in a world of his own."
"Он не слышал меня, потому что был в своем мире." (On ne slyshal menja, potomu chto byl **v svoem mire**.)
a place where authority or control is exercised
when something begins to decline in quality or popularity
appearing in a cinema film
I believe that; expressing a firm opinion
to tell many people about something
a trait or quality common among family members