Hard nut to crack( কঠিন সমস্যা ) The problem of adult education is really a hard nut to crack.
in the doldrums( উদাসীন ভাবাপন্ন )
At least( অন্ততঃ ) At least one hundred boys will come to school today.
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.
tickled pink( খুব খুশি করানো ) She was tickled pink by the good news.
Rank and file( সাধারণ লোক ) We should pay attention to the rank and file of the country.
