Undermine : অধঃখনন করা, গোপনে বিরুদ্ধাচরণ করা;
Related Words
unadorned  under one roof  under went  under-invoice  underhand  undermanned  undermentioned  undermine  undermined  undermines  undermining  undermost  underneath  undernourished  underwent  undetermined  untrained  See Words Also In
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Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Rely on (নির্ভর করা): We should not rely on a lazy man.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Burning question - (গুরুত্বপূর্ন বিষয়): Poverty problem is a burning question of our country.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
To the point (সঠিক) - The boy answered the question to the point.