What could cause your parents to act this way? They may be under stress, or they may view your mistakes as a failure on their part.
لَرُبَّمَا يَتَعَرَّضَانِ لِضَغْطٍ كَبِيرٍ ،‏ أَوْ لَعَلَّ أَغْلَاطَكَ تُحَسِّسُهُمَا بِٱلْفَشَلِ .‏