(slang) to open a e-book in an effort to go through or research. He normally gets high marks in his tests although he rarely cracks a textbook. 'n boek oopmaak يَفْتَح الكِتاب لِلقِراءَه отварям да чета abrir otevřít knihu, dotknout se knihy büffeln læse lektier; læse til prøve ανοίγω βιβλίο, http://socialnetworkadsinfo.com/story3708947/not-known-factual-statements-about-hidden-software-psn-cracked