Cornerstone : ভিত্তি; ভিত্তি-প্রস্তর;
Related Words
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Appropriate Prepositions
Convert to(দীক্ষিত): Tom is converted to another religion.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
Depend upon (নিশ্চিত থাকা, আস্থা রাখা): Sumi depended upon his word.
Fantasize about (কল্পনা করা): They fantasized about winning the lottery.
Meet with (হঠাৎ কোন কিছু হওয়া): Yesterday I met with an accident.
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Idioms
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.