Vocabulary Booster১টি পরীক্ষায় এসেছেপ্রশ্ন ২৭What does the idiom 'make a killing' mean?কTo commit a murder.খTo lose a significant amount of money.গTo earn a lot of money in a short time with little effort.ঘTo save someone's life heroically.উত্তর দেখুন