Big gun ( নেতৃস্থানীয় ব্যক্তি ) He is a big gun of our locality.
All at once ( হঠাৎ ) All at once a tiger came out of the forest.
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.
Out of order ( বিকল ) This car is out of order.
Kith and kin ( নিকট আত্মীয় ) He has no good relationship with his kith and kin.
At arm’s length ( দূরে ) Try to keep the bad boy at arm’s length.