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.
At a low ebb( নিম্নমুখী ) His fame is at a low ebb now.
By leaps and bounds( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
Fish in a troubled water( এলোমোলো অবস্থায় সুযোগ নেওয়া ) He made a lot of money by fishing in a troubled water.
Carry the day( জয়লাভ করা ) Rajib, the best player of the school, carried the day in the annual sports.
In time( ঠিক সময়ে ) He reached the station in time.