Under pin : সত্যতা প্রতিপন্ন করা; জোরালো করা; সমর্থন করা; দেওয়াল ইত্যাদিতে ঠেকনো লাগানো;
Related Words
under pin  underpants  underpin  See Words Also In
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Appropriate Prepositions
Affectionate to(স্নেহশীল): He is very affectionate to his baby.
Zeal for (উৎসাহ): Forhad has great zeal for cricket.
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Care for(গ্রাহ্য করা): I do not care for you.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
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Idioms
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Call in question (সন্দেহ করা): No one can call his honesty in question.
In a nutshell (সংক্ষেপে): Tell the whole story in a nutshell.
To the backbone (হাড়ে হাড়ে): I know this boy to the backbone.
Without fail (অবশ্যই) - You must attend the meeting without fail.