Optimise : আশাবাদী হওয়া;
Related Words
ofttimes  optimise  optimism  optimist  optimistic  optimistically  optimists  optimize  options  See Words Also In
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Appropriate Prepositions
Consist in (কোনো কিছু মধ্য বিদ্যমান থাকা): Happiness consists in contentment.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Easy of (সরল): The teacher is easy of approach.
Infested with (অতিষ্ঠ): The room is infested with rats.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
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Idioms
At a discount (অনাদৃত) Female education is no longer at a discount now.
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Worthy of (যোগ্য) - He is worthy of a good job.