By far( সর্বাংশে ) He is by far the best boy in the class.
At stake( বিপন্ন ) His life is at stake now.
know from a bare hint( এক আঁচরেই বোঝা )
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.
At one’s own sweet will( খুশি মতো ) He still does it at his own sweet will.
In full swing( পুরাদমে ) The school is now in full swing.