Standard error : ক্রটি প্রমাপ;
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Argue against (বিপক্ষে বলা): She argued against the bill.
Avail (oneself) of(সুযোগের স্বব্যবহার করা): I shall avail myself of the first trip to London tomorrow.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
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Idioms
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.