Cog wheel : দন্তযুক্ত চক্র;
Related Words
chessel cog wheel cog-wheel cow whale cowlSee Words Also In
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Appropriate Prepositions
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Due to (কারণে): His absence is due to illness.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Regard for (সম্মান): Good boys have great regard for their teachers.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Under age (অপ্রাপ্ত বয়স্ক)- He could not cast his vote because he was under age.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.