Black sheep( কুলাঙ্গার ) He is a black sheep in his family.
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 fine ( পরিশেষ ) In fine he declared his plan.
At sixes and sevens( বিশৃঙ্খলা অবস্থায় ) All the furniture in the room were at sixes and sevens.
All at once( হঠাৎ ) All at once a tiger came out of the forest.
At large( স্বাধীন ) The anti-socials are still at large.