Read between the lines ( তাৎপর্য বোঝা ) Try to read between the lines of the letter.
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.
Out of sorts ( ঈষৎ অসুস্থ ) He is out of sorts now.
pulling your leg ( কৌতক করা ) Do not take it seriously, i was just pulling you leg
By chance ( দৈবাৎ ) I met him on the way by chance.
Red letter day ( স্মরণীয় দিন ) The 21 February is a red letter day in the history of Bangladesh.