ABC( প্রাথমিক জ্ঞান ) Everybody must know at least the ABC of religion.
In the nick of time( ঠিক সময়ে ) The school team arrived in the nick of time.
Of course( অবশ্যই ) Of course, you know what that means
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.
At sixes and sevens( বিশৃঙ্খলা অবস্থায় ) All the furniture in the room were at sixes and sevens.
Make both ends meet( আয়ব্যয় মেলানো ) I cannot make both ends meet with my small income.