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
Argue against (বিপক্ষে বলা): She argued against the bill.
Convince of(বিশ্বাস হওয়া): I am convinced of your efficiency.
Hope for (আশা করা): Let us hope for the best.
Independent of (স্বাধীন): They are independent of my health.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Crying need (জরুরী): Mass education is a crying need for India.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
To play on a fiddle (অনর্থক সময় নষ্ট করা - To waste time)-He played on a fiddle by nature.