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.
On the spur of the moment( মুহুর্তের উত্তেজনায় ) He did it on the spur of the moment.
In the mean time( ইতিমধ্যে ) Lila will come here to-night. In the mean time you should get her room ready.
Slip of the tongue( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.
At once finger ends( নখদর্পণে ) All these facts are at his finger ends.
Man of straw( অপদার্থ লোক ) We do not care a fig for a man of straw like him.