Optimise : আশাবাদী হওয়া;
Related Words
ofttimes  optimise  optimism  optimist  optimistic  optimistically  optimists  optimize  options  See Words Also In
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
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Idioms
Be all and end all (the ultimate out come- চরম পরিণতি—n) A loss of one million taka was the be all and end all of the projects.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.