Luminescence : আলোক বিকিরণ;
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Appropriate Prepositions
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
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Idioms
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.