Перевод на английский (вариант 1, более естественный):
Most of my vacation I spent in Kazan, and sometimes I went to the dacha. Most often I played volleyball with my friends and went swimming. This summer was unforgettable; I really enjoyed it, I had a great time and rested.
Дополнительная естественная формулировка (вариант 2):
I spent most of my vacation in Kazan and, at times, went to the dacha. Most often I played volleyball with my friends and went swimming. This summer was unforgettable; I liked it a lot, I had a great time and relaxed.
Пояснения по переводу:
- "большую часть каникул" переводится как "Most of my vacation" (или "Most of my holidays").
- "Казани" — "Kazan" (с заглавной буквой).
- "дачу" — чаще всего "the dacha" (можно перевести как "the country house"/"summer house", но "dacha" передаёт точный смысл).
- "Чаще всего" — "Most often" (или "Most of the time").
- "ходила играть" — дословно "I played" (в контексте повторяющихся действий, это естественно звучит как "Most often I played volleyball with my friends").
- "ездила купаться" — "went swimming" (или "went to swim").
- "Это лето было незабываемым" — "This summer was unforgettable."
- "мне оно очень понравилось" — "I really enjoyed it" или "I liked it a lot."
- "я хорошо провела время и отдохнула" — "I had a great time and rested" (или "relaxed").