Unhesitatingly : দ্বিধাহীনভাবে; অকুণ্ঠচিত্তে; নি:সঙ্কোচভাবে; অসঙ্কোচে;
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Appropriate Prepositions
Catch at(ধরা): A drowning man catches at a straw.
Concentrate on(কেন্দ্রীভূত করা): Try to concentrate your attention on your studies.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
Plead for (ওকালতি করা): He pleads for justice.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
In no time (শীঘ্র): He will finish the work in no time.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.