Catalyst : অনুঘটক;
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Detrimental to (অপকারী): Smoking is detrimental to health.
Greed for (লোভ): He has an indomitable greed for wealth.
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Idioms
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.