Set free( মুক্ত করা ) The prisoners were set free.
in the doldrums( উদাসীন ভাবাপন্ন )
On the whole( মোটের উপর ) On the whole, his conduct is good.
Call in question( সন্দেহ করা ) No one can call his honesty in question.
At once finger ends( নখদর্পণে ) All these facts are at his finger ends.
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.