On the wane( হ্রাসমান ) His fame is on the wane now.
Carry the day( জয়লাভ করা ) Rajib, the best player of the school, carried the day in the annual sports.
pulling your leg( কৌতক করা ) Do not take it seriously, i was just pulling you leg
Out of order( বিকল ) This car is out of order.
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.
hold your horses( সবুর করা ; ধৈর্য ধরা ) Hold your horses in trouble, you will get your reward.