Effeciency : সামর্থ্য; কর্মক্ষমতা;
Related Words
effacing  effeciency  effi ciency  efficiencies  efficiency  efficiency bar  See Words Also In
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Appropriate Prepositions
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Greed for (লোভ): He has an indomitable greed for wealth.
Substitute for (বদলে দেওয়া): This action is substitute for that.
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Idioms
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
On the wane (হ্রাসমান): His fame is on the wane now.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.