Null and void : অকার্যকর; বাতিল; খারিজ; বৈশিষ্ট্যহীন; আইনত কার্যকর নয়;
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Appropriate Prepositions
Born of(জন্মগ্রহণ করা): I was born of a middle class family.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Remedy for (প্রতিকার): There is no remedy for his misbehavior.
Work with (কারো সাথে কাজ করা): They will be working with me on the new project.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Give in (বশ্যতা স্বীকার করা): We will never give in to our enemies.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
Well up (সুপন্ডিত)- Dr. Shahidullah was well-up in Bengali language.
Well off (স্বচ্ছল) - Jim and Della were not well off.