Pinhole : আলপিনের দ্বারা যে ছিদ্র করা হইয়াছে;
Related Words
phenol  pineal  pinhole  See Words Also In
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Appropriate Prepositions
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Heir to (উত্তরাধিকার পাওয়া): He is an heir to a vast property.
Run into (জড়িয়ে পড়া): He had run into debt.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
See to (বিবেচনা করা)— Can you see to it that everyone gets a copy of this memo?
To the point (সঠিক) - The boy answered the question to the point.