A blessing in disguise ( বিপরীতে হিত ; প্রথমে খারাপ হিসেবে মনে হলেও পরবর্তীতে ভালো হয় ) Sam's motorcycle accident was a blessing in disguise because he got enough insurance money.
Catch red handed ( হাতে নাতে ধরা ) The thief was caught red handed.
Hard and fast ( বাঁধা ধরা ) There is no such hard and fast rule in this matter.
Rank and file ( সাধারণ লোক ) We should pay attention to the rank and file of the country.
A slow coach ( কর্মকুণ্ঠ ও মন্থর ব্যাক্তি ) Roky is known as a slow coach to his friend circle.
By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.