Vacuum pump : নির্বাত অবস্থা পাম্প; ভ্যাকুয়াম পাম্প;
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Appropriate Prepositions
Abhorrent to(ঘৃণ্য): Racism of any kind is abhorrent to me.
Authority over (কর্তৃত্ব, আধিপত্য): She has no authority over his growing daughters.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Indulge in (আসক্ত): You should not indulge in social media.
Rejoice at/in (আনন্দ করা): Everybody rejoiced at/in his success.
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Idioms
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
Cut to the quick (মর্মাহত হওয়া): I was cut to the quick by his birds.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
Lame excuse (বাজে ওজর): The lame excuse will not do.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.