প্রত্যবেক্ষক: [Noun] Invigilator.
Related Words
প্রত্যবেক্ষক প্রত্যবেক্ষণ প্রত্যবেক্ষিত প্রত্যাকর্ষণSee Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Akin to(সমজাতীয়): These are akin to one another.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Hatred for (ঘৃণা): I have no hatred for anyone.
Similar to (সদৃশ): My T-shirt is similar to yours.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.