Perforation : ছিদ্রকরণ, ছিদ্র, বিধ;
Related Words
perforating  perforation  perforations  perverting  preparation  preparations  proportion  proportional  proportionat  proportionate  proportions  purporting  See Words Also In
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Heir to (উত্তরাধিকার পাওয়া): He is an heir to a vast property.
Point out (চিহ্নিত করা): Point out the mistakes from the book.
Remedy for (প্রতিকার): There is no remedy for cancer.
Sad at (দুঃখিত): All his colleagues were very sad at his transfer from this place.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Fair and square (সৎ): The learned persons should be fair and square.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Run into debt (ঋণগ্রস্ত হওয়া)— He ran into debt.
To the letter (in all details, অক্ষরে অক্ষরে) —Follow my advice to the letter.