At a stretch ( একটানা ) He can run ten miles at a stretch.
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 leaps and bounds ( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
In the mean time ( ইতিমধ্যে ) Lila will come here to-night. In the mean time you should get her room ready.
Cut a sorry figure ( খারাপ ফল করা ) He cuts a sorry figure in the examination.