breathe out( নিঃশ্বাস ত্যাগ করা ) At last, he breathed his last breath out, and that was the end.
be up and doing( উঠে-পড়ে লাগা )
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.
Read between the lines( তাৎপর্য বোঝা ) Try to read between the lines of the letter.
At home( দক্ষ ) He is at home in mathematics.
Slip of the tongue( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.