Frustrated : হতাশ; প্রত্যাহত;
Related Words
first rate  first-rate  for starters  four-storied  fractured  frustrate  frustrated  frustrates  frustrating  frustration  frustrations  See Words Also In
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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.
Apology for (কোনো কারনে ক্ষমা চাওয়া): Sajib should ask apology to her of his mistake.
Business with (ব্যবসা, কাজ): He is pleased to do business with you.
Play with (খেলা করা/ মজা করা): I shall not play with him.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
In full swing (পুরোদমে): The school is in full swing after the vacation.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.