Catch red handed( হাতে নাতে ধরা ) The thief was caught red handed.
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.
a piece of cake( খুবই সহজ ) This assignment is a piece of cake
At least( অন্ততঃ ) At least one hundred boys will come to school today.
Part and parcel( অবিচ্ছেদ্য অংশ ) Discipline is part and parcel of administration.