Be busy : অতি কর্মব্যস্ত থাকা;
Related Words
babus  be busy  be shy  beaus  bushy  busy  See Words Also In
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Appropriate Prepositions
Convinced of (আশ্বস্ত): You are convinced of his product.
Feed with (কোনো কিছু খাওয়া): They feed the cow with grass.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
Quick at (চটপটে): A cashier must be quick at figures.
Succeed in (সাফল্য লাভ করা): He succeeded in life.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Far and wide (সর্বত্র): His fame spread far and wide.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Slow coach (অলস): You cannot expect much from a slow coach.