At a stretch( একটানা ) He can run ten miles at a stretch.
Rank and file( সাধারণ লোক ) We should pay attention to the rank and file of the country.
In the nick of time( ঠিক সময়ে ) The school team arrived in the nick of time.
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.
By far( সর্বাংশে ) He is by far the best boy in the class.
By all means( সবর্প্রকার ) Try to do it by all means.