At dagger drawn ( খড়গহস্ত ) The two brothers are now at daggers drawn.
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 large ( স্বাধীন ) The anti-socials are still at large.
Take to one's heels ( ছুটিয়া পালানো ) The thieves took to their heels to see the police.
keep your chin up ( সুখি হওয়া ) His attempt keep your chin up