Thirty : তের, এয়োদশতম; তেরই;
Related Words
thereat  thereto  third  thirtieth  thirty  thitherto  thready  threat  throat  throaty  thwart  treaty  See Words Also In
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Appropriate Prepositions
Abide by(মেনে চলা): We must abide by the rules of discipline.
Abstain from(বিরত থাকা): I am trying to abstain from sweets for my new diet.
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Apologize to (ক্ষমা প্রার্থনা করা, দুঃখসহ ত্রুটি স্বীকার করা): The student apologized to the Principal for adopting unfair means in the examination.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Soft Soap (নিজ অভিপ্রায়ে/অভিসন্ধিতে তোষামোদ করা): He was expert in soft soap.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.