Critical angle : সংকট-কোণ;
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Appropriate Prepositions
Acquit of (অব্যাহতি দেয়া): The chief justice acquitted him of the charge of murder.
Angry with(কারো সাথে ক্রুদ্ধ হওয়া): The teacher was very angry with the students.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Play with (খেলা করা/ মজা করা): I shall not play with him.
Yield to (নতি স্বীকার করা): I shall not yield to his temptation.
Browse All Appropriate Prepositions
Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.