mangled

adjective
1
badly damaged, especially as a result of being torn or twisted
آسیب‌دیده, له‌شده, پاره‌پاره‌شده, درهم‌کوبیده
2
made to seem less good than it really is by being said wrongly or played badly
تحریف‌شده, ناقص, بد جلوه داده شده
mangled syntax/quotations/grammar