At least( অন্ততঃ ) At least one hundred boys will come to school today.
To the letter( অক্ষরে অক্ষরে ) He followed my advice to the letter.
Null and void( বাতিল ) The deed has been null and void 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.
Through thick and thin( বাধা বিপত্তির মধ্য দিয়ে ) Reveka followed her husband through thick and thin.
By the by( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
