Ground glass : ঘষা কাচ;
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Appropriate Prepositions
Angry with(কারো সাথে ক্রুদ্ধ হওয়া): The teacher was very angry with the students.
Bar to(বাধা): Poverty is not a bar to happiness.
Call in(ডাকিয়া আনা): They called in a doctor.
Careful of(যত্নশীল থাকা): Sadia is careful of her health.
Object to (আপত্তি করা): He objected to my proposal.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
At times (মাঝে মাঝে): He at times comes here.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.