By leaps and bounds ( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
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.
Set free ( মুক্ত করা ) The prisoners were set free.
Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.
In the nick of time ( ঠিক সময়ে ) The school team arrived in the nick of time.