Household word( সকলের পরিচিত নাম ) Mother Teresa's name has now become a household word.
All at once( হঠাৎ ) All at once a tiger came out of the forest.
Far and wide( সর্বত্র ) His fame as a scholar spread far and wide
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.
At bay( কোনঠাসা ) The tiger was at bay in the bush.
