Air-tight : বায়ুরোধী;
Related Words
air tight  air-tight  airtight  artist  artiste  artists  See Words Also In
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Appropriate Prepositions
Akin to(সমজাতীয়): These are akin to one another.
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Catch at(ধরা): A drowning man catches at a straw.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Independent of (স্বাধীন): They are independent of my health.
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Idioms
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.