Hygienist : স্বাস্থ্যবিজ্ঞান; স্বাস্থ্যবিজ্ঞানী;
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Appropriate Prepositions
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Laughing stock (হাসির পাত্র)— He is a laughing stock to all.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.