Breakdown of По вечерам молодёжь танцует в парке под тихую музыку.
Questions & Answers about По вечерам молодёжь танцует в парке под тихую музыку.
- По вечерам literally = “by evenings” and is a very common way to say “in the evenings / on evenings (regularly)”.
- Structure: по + dative plural → вечер → dative plural вечерам.
- По вечеру (dative singular) is possible but much less common and sounds more old‑fashioned / literary.
- Вечерами (instrumental plural) also means “in the evenings” and is common too.
- По вечерам and вечерами are very close in meaning; по вечерам feels slightly more neutral/bookish, вечерами a bit more colloquial.
So the choice of по вечерам is just a very typical, idiomatic way to express a habitual action in the evenings.