Rigorous : কঠোর; একচুল এদিক ওদিক হওয়ার জো নেই এমন; কঠিন; কড়া; যথাযথ; তীব্র; কঠোর; অব্যাহতিহীন;
Related Words
regorges  rigorism  rigorous  rigorously  rigors  rigours  See Words Also In
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Appropriate Prepositions
Abide in(বাস করা): I abide in Dhaka with my family.
Ashamed of(লজ্জিত): Nandini was ashamed of his wrong-doing.
Bask in(রোদ পোহানো): The boys and girls are basking in the sun right now.
Indifferent to (উদাসীন): Everybody is indifferent to my problem.
Regard for (সম্মান): Good boys have great regard for their teachers.
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Idioms
At death’s door (at the point of death- মৃত্যুর দ্বারে) The patient is now at death’s door.
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Take into account (বিবেচনা করা): Your activities should be taken into account.