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
Caution against(সাবধান): Take all cautions against the danger.
Fond of (প্রিয়/অনুরাগী): Children are fond of sweets.
Indifferent to (উদাসীন): Everybody is indifferent to my problem.
Quick at (চটপটে): A cashier must be quick at figures.
With a view to (উদ্দেশ্য): I went to hospital with a view to seeing you.
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Idioms
Bring to book (reproach-Start- ভর্ৎসনা করা) The father brought his son to book for his failure in the exam.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
Well off (স্বচ্ছল) - Jim and Della were not well off.