Optimize : আশাবাদী হওয়া;
Related Words
ofttimes  optimise  optimism  optimist  optimistic  optimists  optimize  See Words Also In
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Appropriate Prepositions
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Desist from (বিরত থাকা): She desisted from making this.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Drop to (নিচে নামানো): Asif dropped his voice to a whisper.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
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Idioms
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Dead against (তীব্র বিরোধী - strongly opposed to): I am dead against corruption.
To the brim (কানায় কানায়) - The river was full to the brim.
Without fail (অবশ্যই) - You must attend the meeting without fail.
With a lavish hand (মুক্ত হস্তে)— Give away something with a lavish hand.