Reactivity : রিঅ্যাকটিবিটি;
Related Words
reactivate reactivated reactivating reactivity rectifiedSee Words Also In
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Appropriate Prepositions
Argue against (বিপক্ষে বলা): She argued against the bill.
Contribution to (অবদান): His invention made a major contribution to road safety.
Match for (প্রতিদ্বন্দ্বী): He is no match for me.
Pity for (করুণা, সমব্যথা): I feel pity for this helpless old man.
Rely on (নির্ভর করা): We should not rely on a lazy man.
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Idioms
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
Take to one's heels (to run away, পালানো)- They took to their heels when they saw the policeman approaching.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.