Invalidating : বাতিল করা; অসিদ্ধ করা; ব্যর্থ করা;
Related Words
inflating  invalidating  See Words Also In
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Appropriate Prepositions
Apply to (কারো কাছে আবেদন করা): He applied to the principal for free admission.
At lunch (দুপুরের খাবারে): They were talking so much at lunch that their food went cold.
Covetous of(লোভী হওয়া): He is covetous of wealth.
Look after (দেখাশুনা): He looks after me.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
Call in question (সন্দেহ করা): No one can call his honesty in question.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.