Unauthorized : অননুমত, উপযুক্ত ক্ষমতাপ্রাপ্ত নয় এমন, অনধিকারী;
Related Words
unauthorised  unauthorized  undersized  See Words Also In
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Appropriate Prepositions
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Convenient to(সুবিধাজনক): The work is convenient to your nature.
Look for (খোঁজা): I was looking for the lost phone.
Repentant for (অনুতপ্ত): Kamal should be repentant for his misbehavior.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
Well off (স্বচ্ছল) - Jim and Della were not well off.