In the mean time : ইতিমধ্যে;
Related Words
in the mean time  in the meantime  inthemeantime  See Words Also In
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Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Drop to (নিচে নামানো): Asif dropped his voice to a whisper.
Quick at (চটপটে): A cashier must be quick at figures.
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Idioms
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Call in question (সন্দেহ করা): No one can call his honesty in question.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.