A black sheep ( কুলাঙ্গার ) Tom is a black sheep in their family
A rainy day ( দুর্দিন ) Everybody should save something for rainy day.
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.
Breathe one's last ( মারা যাওয়া ) The old man breathed his last on Sunday last.
Call in question ( সন্দেহ করা ) No one can call his honesty in question.
Out of sorts ( ঈষৎ অসুস্থ ) He is out of sorts now.