Black-hearted : ক্রুরহৃদয়; ক্রূরমতি; ক্রূর;
Related Words
black-hearted  blackguard  See Words Also In
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Solution to (সমাধান): None can solution to every problem.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
Round the clock (সমস্ত দিন): He is working round the clock.