Crying need ( জরুরী প্রয়োজন ) Mass education is the crying need of Bangladesh.
Null and void ( বাতিল ) The deed has been null and void now.
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.
breathe out ( নিঃশ্বাস ত্যাগ করা ) At last, he breathed his last breath out, and that was the end.
In force ( বলবৎ ) This law is in force now.
At once finger ends ( নখদর্পণে ) All these facts are at his finger ends.