A bolt from the blue ( সম্পূর্ন অপ্রত্যাশিত ) The news of his father's death came to him as a bolt from the blue.
As usual ( যথারীতি ) He is late as usual.
Come off with flying colours ( জয়লাভ করা ) Our School team came off with flying colours.
a piece of cake ( খুবই সহজ ) This assignment is a piece of cake
reap the harvest of sin ( কর্ম ভোগ করা )
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.