All at once ( হঠাৎ ) All at once a tiger came out of the forest.
Come to light ( প্রকাশিত হওয়া ) Their private talk has come to light at last.
Through thick and thin ( বাধা বিপত্তির মধ্য দিয়ে ) Reveka followed her husband through thick and thin.
By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
At all ( আদৌ ) He does not know French at all.
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.