Cog-wheel : দন্তযুক্ত চক্র
Related Words
chessel  cog wheel  cog-wheel  cowl  See Words Also In
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Appropriate Prepositions
Born of(জন্মগ্রহণ করা): I was born of a middle class family.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Free from (মুক্ত): He is now free from danger.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
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Idioms
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Out of order (বিকল): The elevator was out of order.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.