a piece of cake( খুবই সহজ ) This assignment is a piece of cake
Apple of discord( বিবাদেয় বিষয় ) The paternal property has become an apple of discord between the two brothers.
As if( যেন ) He swims so beautifully as if he is the Olympic gold medalist.
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.
Moot point( অমীমাংসিত বিষয় ) Dowry system is still a moot point in Bangladesh.