On the spot : অকুস্থলেই; সঙ্গে সঙ্গে; হাতে-হাতে; ততক্ষণাত; সতর্কভাবে; প্রস্তুতভাবে; সঙ্কটাপন্ন;
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Comply with(মেনে নেওয়া): The clerks must comply with the orders of their officer.
Congenial to(উপযোগী): The atmosphere is congenial to your health.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Fed up with (বিরক্ত): He is fed up with waiting for her.
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Idioms
In a nutshell (সংক্ষেপে): Tell the whole story in a nutshell.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Round the clock (সমস্ত দিন): He is working round the clock.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.