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
Apology to (কারো কাছে ক্ষমা চাওয়া): Rakib should ask apology to her.
At lunch (দুপুরের খাবারে): They were talking so much at lunch that their food went cold.
Hope for (আশা করা): Let us hope for the best.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
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Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
Now and then (মাঝে মাঝে): He comes here now and then.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.