twenty years
Полицейские посадят тебя на двадцать лет.
The police will put you in prison for twenty years.
He is twenty years old.
She was only twenty years old.
The cat is twenty years old.
He has been teaching for twenty years.
Я лечу детей уже двадцать лет.
I have been treating children for twenty years.
Она родила своего первого ребёнка, когда ей было двадцать лет.
She had her first child when she was twenty.
Отец, двадцать лет я не мог постоять за тебя.
Father, for twenty years I couldn't stand up for you.
— Принцесса-невеста (1987)