Retrospective effect : ভূতাপেক্ষ কার্যকরতা;
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Appropriate Prepositions
Close to(নিকটে): Our College is close to the Post Office.
Comply with(মেনে নেওয়া): The clerks must comply with the orders of their officer.
Die for (আত্নত্যাগ করা): Our Chairman died for our country.
Faithful to (বিশ্বস্ত): The dog is very faithful to its master.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
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Idioms
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
To the point (সঠিক) - The boy answered the question to the point.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.