Slow coach ( অলস প্রকৃতির লোক ) You cannot expect much from a slow coach like him.
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.
vile sycophant ( খঁয়ের খা )
Turn over a new leaf ( নূতনের সূচনা ) After his failure he turned over a new leaf.