Research assistant : গবেষণা সহকারী;
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Appropriate Prepositions
Annoyed at(ব্যক্তি ছাড়া অন্যকিছুর প্রতি বিরক্ত): They were annoyed at his rough behavior.
Arrive at(উপস্থিত হওয়া, পৌছানো): The train arrived at Dhaka station on time.
Authority over (কর্তৃত্ব, আধিপত্য): She has no authority over his growing daughters.
Entrust with (কোনো কিছু দ্বারা কাউকে বিশ্বাস করে): He entrusted me with the thing.
Repent on (নির্ভরশীল): He is repent on his parents.
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Idioms
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Null and void (বাতিল): The deed has been null and void now.
Slow coach (অলস): You cannot expect much from a slow coach.