Keep at : লেগে থাকা; চালিয়ে যাওয়া; ছেড়ে না দেওয়া;
Related Words
keep at  keep out  keep up with  keepout  kept  See Words Also In
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Appropriate Prepositions
Akin to(সমজাতীয়): These are akin to one another.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Deal in, with, out (ব্যবসা করা, ব্যবহার করা, বন্টন করা): The man deals in rice. He does not know how to deal with a customer. The Chairman dealt out the relief materials to the flood affected people.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.