By what : কিসে;
Related Words
be hot  but that  by it  by path  by that  by what  bye path  bypath  bythe way  See Words Also In
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Appropriate Prepositions
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.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Die of, for, from (মারা যাওয়া): He died of cholera. He died for his country. He died from an injury.
Free from (মুক্ত): He is now free from danger.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
In vogue (চালু): This custom is not in vogue at present.
Run high (বেড়ে যাওয়া) —The price of everything has run high.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.