On the spur of the moment ( মুহুর্তের উত্তেজনায় ) He did it on the spur of the moment.
By leaps and bounds ( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
In time ( ঠিক সময়ে ) He reached the station in time.
Out of date ( অপ্রচলিত ) This fashion is now out of date.
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.
Black sheep ( কুলাঙ্গার ) He is a black sheep in his family.