Round piece : চাকা;
Related Words
round figure  round piece  See Words Also In
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Appropriate Prepositions
Breakdown of (বিস্তারিত): Here is statistical breakdown of data.
Care for(গ্রাহ্য করা): I do not care for you.
Compensate for(ক্ষতিপূরণ করা): I will compensate him for the loss.
Detrimental to (অপকারী): Smoking is detrimental to health.
Relation with (সম্পর্ক): I have no relation with the culprit.
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Idioms
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Slow coach (অলস): You cannot expect much from a slow coach.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.