Cog wheel : দন্তযুক্ত চক্র;
Related Words
chessel cog wheel cog-wheel cow whale cowlSee Words Also In
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Appropriate Prepositions
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Devoid of (বিহীন/বর্জিত): He is devoid of common sense.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Infested with (অতিষ্ঠ): The room is infested with rats.
Repent on (নির্ভরশীল): He is repent on his parents.
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Idioms
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.