Catalysts : অনুঘটক;
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Appropriate Prepositions
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Ascend from (উপরে ওঠা): Rahim watched the mist ascending from the valley.
Ascend to (আরোহণ করা): karim began to ascend to the surface of wakefulness.
Burst into(কান্নায় ভেঙ্গে পড়া): He burst into tears.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
Bear (a) grudge (bear hostility to— শত্রুতা বা বিদ্বেষ পোষন করা—V) We should not bear (a) grudge against our brethren.
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Silver tongue (মিষ্টভাষী)- He is a man of silver tongue.