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.
To the letter( অক্ষরে অক্ষরে ) He followed my advice to the letter.
A black sheep( কুলাঙ্গার ) Tom is a black sheep in their family
Call in question( সন্দেহ করা ) No one can call his honesty in question.
In fine ( পরিশেষ ) In fine he declared his plan.
Lame excuse( বাজে গুজব ) This lame excuse will to do.