Bi-centenary : দ্বি-শতবার্ষিক; দ্বি-শতবার্ষিকী;
Related Words
bi-centenary  bicentenary  See Words Also In
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Appropriate Prepositions
Attention to(মনোযোগ): He has no attention to his studies.
Call for(চাওয়া): I will call for his explanation.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Quarrel over (কোন বিষয়ে ঝগড়া করা): Do not quarrel over this trifling matter, let it be drop.
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Idioms
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.