Be all and end all : একমাত্র লক্ষ্য বা পরিণতি;
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be all and end all  beall and endall  See Words Also In
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Look after (দেখাশুনা): He looks after me.
Plead for (ওকালতি করা): He pleads for justice.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.
Steer clear of (avoid, দূরে থাকা)— You must steer clear of evil company.
See to (বিবেচনা করা)— Can you see to it that everyone gets a copy of this memo?