Patent office : পেটেন্ট অফিস; কৃতিস্বত্ব কার্যালয়;
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Appropriate Prepositions
Aware of(অবগত): I am not aware of his dishonesty.
Free from (মুক্ত): He is now free from danger.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Regret for (দুঃখ করা): We regretted for his failure.
Work for (কারো জন্য কাজ করা): She works for a construction company.
Browse All Appropriate Prepositions
Idioms
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Set free (মুক্ত করা): The prisoners were set free.
Without fail (অবশ্যই) - You must attend the meeting without fail.