Pertinacious : স্থির, প্রতিজ্ঞ, জেদী, একগুয়ে;
Related Words
partitions  pertaining  pertaining to  pertains  pertinacious  pertinacity  pertinence  pertinency  pretensions  See Words Also In
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Appropriate Prepositions
Bar to(বাধা): Poverty is not a bar to happiness.
Cope with (এঁটে ওঠা; তাল মিলিয়ে চলা): They cannot cope with so much work.
Detrimental to (অপকারী): Smoking is detrimental to health.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Quick at (চটপটে): A cashier must be quick at figures.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
Laughing stock (হাসির পাত্র)— He is a laughing stock to all.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.
Round the clock (সমস্ত দিন): He is working round the clock.