to tear paper into a lot of small pieces پاره کردن یک تکه کاغذ به قطعات کوچک زیادیHe tore the letter up and threw it away. I accidentally tore up the car documents. The rabbits tore up all the newspaper we put in their hutch.منابع• https://dictionary.cambridge.org/dictionary/english/tear-up+ عکس و لینک
