Heart and soul( সর্বান্তঃকরণে ) Try heart and soul and you will succeed.
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.
Out of date( অপ্রচলিত ) This fashion is now out of date.
Cock and bull story( গাঁজাখুরি গল্প ) Nobody will believe your cock and bull story
In full swing( পুরাদমে ) The school is now in full swing.
At least( অন্ততঃ ) At least one hundred boys will come to school today.