সংকট-কোণ: [Noun] Critical-angle.
Related Words
সংকট কোণ  সংকট-কোণ  সংকটকাল  সংকীর্ণ  সংক্ষোভ  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Care for(গ্রাহ্য করা): I do not care for you.
Consent to(মত দেওয়া): The Prime Minister consented to the proposal.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Look at (তাকানো): Students look at the blackboard.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.