Aide : সহায়তাকারী; সাহায্যকারী; সহায়ক; সহযোগী;
Related Words
ad  adieu  aid  aide  aided  attitude  See Words Also In
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Appropriate Prepositions
Acceptable to(গ্রহণযোগ্য): Such behavior is just not acceptable in this school.
Apology for (কোনো কারনে ক্ষমা চাওয়া): Sajib should ask apology to her of his mistake.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Repentant for (অনুতপ্ত): Kamal should be repentant for his misbehavior.
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Idioms
All up with - (পুরোপুরি, হতাশ, সব আশা শেষ): If we can't, it's all up with the councillor.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
In vogue (চালু): This custom is not in vogue at present.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.