Keep an eye on : নজরে রাখা; নজর রাখা; চক্ষুয় রাখা; চক্ষু দেত্তয়া;
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Take pity on (দয়া করা): Take pity on the helpless people.
Taste of (স্বাদ; অভিজ্ঞতা): They have had some taste of problems.
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Idioms
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Lump sum (এক কালীন) — He gave us lump sum money.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
Set free (মুক্ত করা): The prisoners were set free.