At arm’s length ( দূরে ) Try to keep the bad boy at arm’s length.
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.
At one’s wit’s end ( হতবুদ্ধি ) He was at his wit’s end and did not know what to do.
Die in harness ( কর্মরত অবস্থায় মারা যাওয়া ) Dr. Sen died in harness.