In a flash : মুহূর্তমধ্যে; চকিতে; তত্ক্ষণাৎ;
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Appropriate Prepositions
Admit of(স্থান করা, সুযোগপ্রাপ্ত হওয়া): His offence admits of no explanation.
Ascend to (আরোহণ করা): karim began to ascend to the surface of wakefulness.
Attend to(মনোযোগ দেওয়া): Please attend to my advice.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Null and void (বাতিল): The deed has been null and void now.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.