Hard and fast( বাঁধা ধরা ) There is no such hard and fast rule in this matter.
In force( বলবৎ ) This law is in force now.
By and large( প্রধানতঃ ) People in our village are by and large farmers.
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.
till the cows come home( অনেক সময় ধরে ) I could play outside till the cows come home
Bed of roses( আরামদায়ক অবস্থা ) Life is not a bed of roses.