Back up : সমর্থন করা; সহায়তা করা; পৃষ্ঠপোষণ করা; সহায়তা করা; সহায়ক ভূমিকা পালন করা;
Related Words
back up  basic pay  buck up  See Words Also In
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Appropriate Prepositions
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
Depend upon (নিশ্চিত থাকা, আস্থা রাখা): Sumi depended upon his word.
Indulge in (আসক্ত): You should not indulge in social media.
Run into (জড়িয়ে পড়া): He had run into debt.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
Call in question (সন্দেহ করা): No one can call his honesty in question.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.