Betterment fee : উন্নয়ন দক্ষিণা;
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Appropriate Prepositions
Concerned with(জড়িত): She was concerned with such things.
Congenial to(উপযোগী): The atmosphere is congenial to your health.
Dwell in (বাস করা): He dwells in a tall apartment.
Fit for (যোগ্য): Sabina is not yet fit for marriage.
Relation with (সম্পর্ক): I have no relation with the culprit.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.
Soft Soap (নিজ অভিপ্রায়ে/অভিসন্ধিতে তোষামোদ করা): He was expert in soft soap.