On guard : হাতিয়ার তৈয়ার;
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Appropriate Prepositions
Afraid of(ভীত): An honest man is not afraid of telling the truth.
Akin to(সমজাতীয়): These are akin to one another.
Annoyed with(ব্যক্তির সাথে বিরক্ত হওয়া): I am annoyed with him.
Care of(যত্ন নেওয়া): You should take care of your health.
Consent to(মত দেওয়া): The Prime Minister consented to the proposal.
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Idioms
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
In no time (শীঘ্র): He will finish the work in no time.
Pass away (মারা যাওয়া)— He passed away last night.