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.
In vain( বৃথা ) All his attempts were in vain.
By no means( কোন ভাবেই না ) I shall by no means call on him.
From hand to mouth( দিন আনে দিন খায় ) The poor man lives form hand to mouth.
A black sheep( কুলাঙ্গার ) Tom is a black sheep in their family
Irony of fate( ভাগ্যের পরিহাস ) He could not succeed by irony of fate.