Lion's share( সিংহভাগ ) He took the lion's share of the profit.
At a low ebb( নিম্নমুখী ) His fame is at a low ebb now.
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.
At least( অন্ততঃ ) At least one hundred boys will come to school today.
To the contrary( কাহারও বক্তব্যের বিপক্ষে ) In the court he said nothing to the contrary.