Cog-wheel : দন্তযুক্ত চক্র
Related Words
chessel  cog wheel  cog-wheel  cowl  See Words Also In
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Appropriate Prepositions
Akin to(সমজাতীয়): These are akin to one another.
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Burdened with (ভারাক্রান্ত): Rahim is burdened with a big family.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Substitute for (বদলে দেওয়া): This action is substitute for that.
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Idioms
Back and forth (এদিক ওদিক) The mad man was running back and forth in the hospital.
For good (চিরদিনের জন্য): He left the house for good.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.