Perpetual : চিরস্থায়ী, অবিরাম, প্রায়শঃ;
Related Words
perpetual  preputial  See Words Also In
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Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Burst into(কান্নায় ভেঙ্গে পড়া): He burst into tears.
Dressed in (সজ্জিত, পরিহিত): The girl was dressed in silk.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Repent on (নির্ভরশীল): He is repent on his parents.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.