Gnashing : কড়্মড় করা;
Related Words
gainsaying  ganging  gnashing  See Words Also In
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Debar from (বঞ্চিত হওয়া/বাধা দেওয়া): He is debarred from getting a job.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
Lost in (মগ্ন): Simon is lost in meditation.
Meet with (হঠাৎ কোন কিছু হওয়া): Yesterday I met with an accident.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Base born (নীচ বংশজাত, খারাপ জাত—adj.) He is a base born person; I cannot go along well with him.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
Short temper (রগচটা)— He is a man of short temper.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.