об этом не пожалеете

you won't regret it

→ об
phrase Rare #42,338
you won't regret it A reassuring or persuasive phrase addressed to one person formally or to multiple people. Literally, “you will not regret this.”
RU: Попробуйте этот ресторан — об этом не пожалеете!
EN: Try this restaurant—you won't regret it!