Tirelessness : অশ্রান্তি;
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Noted for (বিখ্যাত): She is noted for dancing.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Be all and end all (the ultimate out come- চরম পরিণতি—n) A loss of one million taka was the be all and end all of the projects.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.