In time( ঠিক সময়ে ) He reached the station in time.
In full swing( পুরাদমে ) The school is now in full swing.
Of course( অবশ্যই ) Of course, you know what that means
To the backbone( হাড়ে হাড়ে ) The boy is wicked to the backbone.
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.
Above board( সংশয়হীন ভাবে নির্দোষ ) His activities are open and above board.