At least ( অন্ততঃ ) At least one hundred boys will come to school today.
Birds eye view ( মোটামোটি ধারণা ; এক নজর ) He took a bird’s eye view of the flood-stricken area from an aeroplane.
Hue and cry ( শোরগোল ) The villagers raised a hue and cry to see the thief.
Do yeoman's service ( বিশেষ উপকার করা ) Raja Rammohan Roy has done yeoman's service to our country.
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.