Inefficacious : নিষ্ফল; ফল উৎপাদনে অক্ষম
Related Words
ineffcacious  inefficacious  inefficacy  inefficiencies  inefficiency  inefficient  infections  infectious  inofficial  See Words Also In
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Appropriate Prepositions
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Burst out a laughter(হাসিতে ফেটে পড়া) He bursts out a laughter.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Remedy for (প্রতিকার): There is no remedy for his misbehavior.
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Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Flesh and blood (রক্তমাংসের শরীর): She's my own flesh and blood; I can't believe she treated me that way!
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.