Cog wheel : দন্তযুক্ত চক্র;
Related Words
chessel cog wheel cog-wheel cow whale cowlSee Words Also In
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Appropriate Prepositions
Adhere to (লেগে থাকা, অটল থাকা): You should adhere to your principal.
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Dwell in (বাস করা): He dwells in a tall apartment.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Fatigued by (ক্লান্ত): He was fatigued by hard work.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.