At once finger ends ( নখদর্পণে ) All these facts are at his finger ends.
harp on the same string ( এক কথা বারবার বলা )
By no means ( কোন ভাবেই না ) I shall by no means call on him.
At a low ebb ( নিম্নমুখী ) His fame is at a low ebb now.
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.
Turn over a new leaf ( নূতনের সূচনা ) After his failure he turned over a new leaf.