External angle : বহিঃস্থ কোণ;
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Call for(চাওয়া): I will call for his explanation.
Desist from (বিরত থাকা): She desisted from making this.
Die by (দূর্ঘটনা বা অপঘাতে মরা/কোন কিছু দ্বারা মারা যাওয়া): He died by a road accident.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
Lose one’s heart (প্রেমে পড়া) — He lost his heart to the girl.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.