Unmerciful : নির্মম; ক্ষমাহীন; অত্যধিক; নিষ্ঠুর; অকরুণ; নির্দয়; দয়াহীন;
Related Words
unmerciful  unmercifully  See Words Also In
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Appropriate Prepositions
Bound for(প্রস্তুত থাকা): Although we can see that it is bound for failure, it is fascinating to follow its journey.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Guard from/against (রক্ষা করা): My parents always guard me from/against bad people.
Repentant for (অনুতপ্ত): Kamal should be repentant for his misbehavior.
Satisfied with (সন্তুষ্ট): The authoress was highly satisfied with Jerry.
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Idioms
At-fault (guilty-কিংকর্তব্যবিমূঢ়, অপরাধ, দোষ adj.) You are at fault.
As ill-luck would have it (unfortunately- দুর্ভাগ্যবশত) A child was born to them but, as ill-luck would have it, it died when it was eight days old.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.