Cooperator : সহকর্মী; সহযোগী;
Related Words
co-operator  cooperator  coverture  See Words Also In
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Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Convince of(বিশ্বাস হওয়া): I am convinced of your efficiency.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Loyal to (অনুগত): Every citizen must be loyal to the state.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.