All at once : আচমকা; হঠাৎ; সহসা; আকস্মিক; তত্ক্ষণাৎ; কথা নেই বার্তা নেই;; at once;
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
Rely on (নির্ভর করা): We should not rely on a lazy man.
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Idioms
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Round the clock (সমস্ত দিন): He is working round the clock.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.