Overestimation : অতিমান;
Related Words
over-estimation  overestimation  See Words Also In
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Appropriate Prepositions
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Attention to(মনোযোগ): He has no attention to his studies.
Desist from (বিরত থাকা): She desisted from making this.
Loyal to (অনুগত): Every citizen must be loyal to the state.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Get rid of (মুক্তি পাওয়া): Try to get rid of the rogue.
Of course (অবশ্যই): Of course, you know what that meant.