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.
Pros and cons( খুঁটিনাটি ) You should consider the Pros and cons of the system.
In the nick of time( ঠিক সময়ে ) The school team arrived in the nick of time.
In fine ( পরিশেষ ) In fine he declared his plan.
Heart and soul( সর্বান্তঃকরণে ) Try heart and soul and you will succeed.