Collaborations : সাহায্য; সহযোগিতা;
Related Words
calibrating  celebrating  celebrations  collaborating  collaborationist  collaborations  See Words Also In
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Appropriate Prepositions
Aware of(অবগত): I am not aware of his dishonesty.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Short of (অপর্যাপ্ত): I am running short of money.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
Far and wide (সর্বত্র): His fame spread far and wide.
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
Safe and sound (নিরাপদে)— He reached home safe and sound.