Ineffective : কার্যকরী হয় না এমন, অকার্যকর
Related Words
ineffective  ineffectiveness  infective  invective  invectives  See Words Also In
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Attacked with(আক্রান্ত): He is attacked with …
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Desire for (কামনা): He has no desire for fame.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
As ill-luck would have it (unfortunately- দুর্ভাগ্যবশত) A child was born to them but, as ill-luck would have it, it died when it was eight days old.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.