Lion's share( সিংহভাগ ) He took the lion's share of the profit.
By far( সর্বাংশে ) He is by far the best boy in the class.
Call a spade a spade( অপ্রিয় সত্য কথা বলা ) I have no hesitation to call a spade a spade.
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.
As it were( যেন ) The sun is, as it were , the lamp of the universe.
Crying need( জরুরী প্রয়োজন ) Mass education is the crying need of Bangladesh.