On the sly : গোপনে; গোপনে; চোরাগোপ্তাভাবে;
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Appropriate Prepositions
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Attention to(মনোযোগ): He has no attention to his studies.
Free from (মুক্ত): He is now free from danger.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Repentance for (অনুতাপ): He has repentance for the past.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Bring to book (reproach-Start- ভর্ৎসনা করা) The father brought his son to book for his failure in the exam.
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Out of date (সেকেলে): This fashion is out of date.