By leaps and bounds( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
In no time( শীঘ্র ) He will finish the work in no time.
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.
Up and downs ( উন্থানপতন ) There are ups and downs in a man's life.
Birds eye view( মোটামোটি ধারণা ; এক নজর ) He took a bird’s eye view of the flood-stricken area from an aeroplane.
Man of straw( অপদার্থ লোক ) We do not care a fig for a man of straw like him.