Hand to mouth : নিতান্ত অপরিহার্য খাদ্য;
Related Words
hand and foot  hand note  hand to hand  hand to mouth  handtohand  handtomouth  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Afraid of(ভীত): An honest man is not afraid of telling the truth.
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Die of (রোগে মরা): Many people died of cholera.
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Idioms
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Out of order (বিকল): The elevator was out of order.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Slip of the pen (লেখায় অসতর্কতাবশত সামান্য ভুল): The mistake is due to a slip of the pen.