Petard : আগ্নেয়াস্ত্র; যুদ্ধযন্ত্র; দরজাদি উড়াইয়া দিবার জন্য বোমাবিশেষ;
Related Words
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Covetous of(লোভী হওয়া): He is covetous of wealth.
Defend against (রক্ষা করা): We will defend our country against all enemies.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
Safe and sound (নিরাপদে)— He reached home safe and sound.
To the backbone (হাড়ে হাড়ে): I know this boy to the backbone.
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.