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.
Big gun( নেতৃস্থানীয় ব্যক্তি ) He is a big gun of our locality.
Part and parcel( অবিচ্ছেদ্য অংশ ) Discipline is part and parcel of administration.
Kith and kin( নিকট আত্মীয় ) He has no good relationship with his kith and kin.
In vain( বৃথা ) All his attempts were in vain.
keep your chin up( সুখি হওয়া ) His attempt keep your chin up