forbidden fruit

Translations
запретный плод
The allure of forbidden fruit made the adventure even more exciting.
Привлекательность запретного плода сделала приключение еще более захватывающим.
Definitions
Forbidden fruit refers to something that is highly desirable but off-limits or prohibited, often associated with temptation and the consequences of indulging in something that is not allowed.
Words
fruit

noun
фрукт
forbidden

adjective
запрещённый