amatorszczyzna znamená v Angličtina

bungle▼verb
to incompetently perform (a task); to ruin (something) through incompetent action

amateurism▼noun
amateur beliefs and practices

botch▼noun
An action, job, or task that has been performed very badly

botch job▼noun

dilettantism▼noun
the act of behaving like a dilettante, of being an amateur