Unaided : সাহায্য পায় না বা নেয় না এমন;
Related Words
unaided  undated  undee  undid  unhand  unheeded  unite  united  unmade  unmanned  unnamed  untidy  untie  untied  unwanted  unwedded  unwind  See Words Also In
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Appropriate Prepositions
Adept in (দক্ষ): He is adept in playing football.
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Damage to (ক্ষতি): The flood caused much damage to crops last year.
Independent of (স্বাধীন): They are independent of my health.
Road to (উপায়/ রাস্তা): There is no easy road to learning.
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Idioms
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Run short (কমতি পড়া) —I ran short of money.
To the backbone (হাড়ে হাড়ে): I know this boy to the backbone.
Through thick and thin (through all difficulties, সমস্ত সমস্যার মধ্যে)-Ruma followed her husband through thick and thin.