Of no avail : বিফল; ব্যর্থ; কোন উপকার হয় নাই এমন; বৃথা; নিষ্ফল; অকেজো;
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Appropriate Prepositions
Apology for (কোনো কারনে ক্ষমা চাওয়া): Sajib should ask apology to her of his mistake.
Argue with, about(কথা কাটাকাটি করা): They always argue with me about tiny matter.
Hatred for (ঘৃণা): I have no hatred for anyone.
Inquire into (খতিয়ে দেখা): The police officer will inquire into the matter.
Send for (ডেকে পাঠানো): Send for a doctor immediately.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
Hush money (ঘুষ): He offered a hush money to disclose the file.
Lose one’s heart (প্রেমে পড়া) — He lost his heart to the girl.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.