Optimistically : আশাবাদী হওয়া;
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Appropriate Prepositions
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Adjacent to(সংলগ্ন): The Post Office is adjacent to my house.
Burst into(কান্নায় ভেঙ্গে পড়া): He burst into tears.
Dedicate to (উৎসর্গ করা): His pfe is dedicated to the welfare of the country.
Road to (উপায়/ রাস্তা): There is no easy road to learning.
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Idioms
Arm in arm (পরস্পর সম্পর্কিত বিষয়) All good people should live arm in arm with one another.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Lame excuse (বাজে ওজর): The lame excuse will not do.