On the whole ( মোটের উপর ) On the whole, his conduct is good.
Apple of discord ( বিবাদেয় বিষয় ) The paternal property has become an apple of discord between the two brothers.
By far ( সর্বাংশে ) He is by far the best boy in the class.
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.