Make both ends meet ( আয়ব্যয় মেলানো ) I cannot make both ends meet with my small income.
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.
when pigs fly ( কখনও না ) I will help you when pigs fly
By all means ( সবর্প্রকার ) Try to do it by all means.
Hard and fast ( বাঁধা ধরা ) There is no such hard and fast rule in this matter.