By leaps and bounds( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
Out of order( বিকল ) This car is out of order.
Bone of contention( বিবাদের বিষয় ) The paternal property is the bone of contention between the two brothers.
As if( যেন ) He swims so beautifully as if he is the Olympic gold medalist.
At one’s wit’s end ( হতবুদ্ধি ) He was at his wit’s end and did not know what to do.
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.