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.
A bed of roses thorns ( কন্টকময় জীবন ) Life is nothing but a bed of roses.
In vogue ( চালু ) This custom is not in vogue now.
Irony of fate ( ভাগ্যের পরিহাস ) He could not succeed by irony of fate.
By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
Null and void ( বাতিল ) The deed has been null and void now.