Rock-oil : পেট্রোলিয়াম;
Related Words
recoil  rock oil  rock-oil  See Words Also In
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Appropriate Prepositions
Angry with(কারো সাথে ক্রুদ্ধ হওয়া): The teacher was very angry with the students.
Appointment with (সাক্ষাতের সময়): He has an appointment with the minister at 10:00 am.
Aware of(অবগত): I am not aware of his dishonesty.
Run over (চাপা পড়া): The man was run over by a truck.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
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Idioms
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
In a nutshell (সংক্ষেপে): Tell the whole story in a nutshell.
Run high (বেড়ে যাওয়া) —The price of everything has run high.
Run short (কমতি পড়া) —I ran short of money.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.