Unhesitatingly : দ্বিধাহীনভাবে; অকুণ্ঠচিত্তে; নি:সঙ্কোচভাবে; অসঙ্কোচে;
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Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Compete with(প্রতিযোগিতা করা): He does not pke to compete with
Grasp at (আঁকড়িয়ে ধরা): He grasped me at my hand.
Identical with (একই ধরণের): You are identical with your sister.
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Idioms
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
In the long run (পরিণামে): You will have to suffer in the long run.
Pave the way (সুপ্রসন্ন করা) – I am sure I can pave the way for your success.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.