Preservation : রক্ষণ, রক্ষা, সংরক্ষণ;
Related Words
prescription  prescriptions  preservation  proscription  proscriptions  See Words Also In
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Appropriate Prepositions
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
At lunch (দুপুরের খাবারে): They were talking so much at lunch that their food went cold.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Damage to (ক্ষতি): The flood caused much damage to crops last year.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
To the point (সঠিক) - The boy answered the question to the point.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.