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.
Weal and woe( সুখ-দুঃখ ) Human life is full of weal and woe.
Maiden speech( প্রথম বক্তৃতা ) His maiden speech fell flat on the audience.
At dagger drawn( খড়গহস্ত ) The two brothers are now at daggers drawn.
By leaps and bounds( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
Turn over a new leaf( নূতনের সূচনা ) After his failure he turned over a new leaf.