To prolong : বাড়া; বাড়ান; প্রসারিত করা; সম্প্রসারণ করা; প্রসারিত হত্তয়া;
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Appropriate Prepositions
Adequate for(পর্যাপ্ত): The loan given by the bank is not adequate for the farming project.
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Behave towards(ব্যবহার করা): The students behaved objectionably towards the Head teacher.
Fond of (প্রিয়/অনুরাগী): Children are fond of sweets.
Infested with (অতিষ্ঠ): The room is infested with rats.
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Idioms
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
Scapegoat (উদোর পিন্ডি বুধোর ঘাড়ে)—He was made scapegoat of the incident.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.