To the backbone( হাড়ে হাড়ে ) The boy is wicked to the backbone.
Tooth and nail( তীব্রভাবে ) He fought tooth and nail against his enemy.
Through thick and thin( বাধা বিপত্তির মধ্য দিয়ে ) Reveka followed her husband through thick and thin.
Fall flat( ফলপ্রসূ না হওয়া ) My advice feel fiat on him.
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.
As it were( যেন ) The sun is, as it were , the lamp of the universe.